Indoor Cycling

KICKR BIKE PRO redefines indoor cycling. With next-gen shifter controls, premium touchpoints, and unmatched ride realism, it delivers the most immersive indoor training experience yet. Built for riders who demand peak performance and complete control, this is the evolution of indoor riding. New Features: - Redesigned handlebar with integrated shifter controls - Premium Fi'zi:k saddle and handlebar tape upgrades - Quick release lever and cable refinements for easier setup

Always ready to ride, the powerfully efficient and effective design of KICKR BIKE SHIFT offers an unmatched ride feel. FEATURES: - Customized fit, shifting, and gearing to match your outdoor bike. - Virtually silent operation - Direct Connect and WiFi Connectivity - ERG Easy Ramp™ allows you to pause a workout and ease back in action - Odometer tracks total trainer mileage SPECS: - Power Accuracy: +/- 1% - Metrics: Speed, Distance, Power, Cadence - Maximum Power Output: 2200W - Maximum Simulated Grade: 20% - Minimum Simulated Grade: -15% - ANT+, ANT+ FE-C, Bluetooth, Direct Connect and WiFi Connectivity TRUE FIT Guided by an intuitive set-up app, KICKR BIKE SHIFT's 5-point adjustment system lets you easily adjust frame, setback and reach dimensions to optimize overall bike fit for comfort and performance. YOUR RIDE. INSIDE. KICKR BIKE SHIFT features virtual shifting and custom gearing that allows you to match the gear ratios of your outdoor bike, replicating the major groupsets from Shimano, SRAM and Campagnolo to create a personalized ride experience. MAX GRADE SIMULATION: 20% MIN GRADE SIMULATION: 15% MAX POWER (WATTS): 2200w KICKR BIKE SHIFT FEATURES REAL-TIME RESPONSE - KICKR BIKE SHIFT's innovative brake and belt drivetrain system delivers lightning fast resistance response to grade and power changes. FIVE POINTS OF ADJUSTABLE FIT - Adjust the fit of your smart bike to match your outdoor bike's geometry across 5 points - stack, reach, setback, saddle height, and frame height. PROGRAMMABLE VIRTUAL SHIFTING - Customize the KICKR BIKE SHIFT controls to match shifters from the leading manufacturers - SRAM, Shimano, and Campagnolo. PROGRAMMABLE GEARING - Replicate your outdoor bike down to the exact gearing configuration by selecting the number of speeds and cassette tooth count. NO LIMITS TRAINING WITH WAHOO X - All Wahoo smart trainers and smart bikes come with a trial to Wahoo X, giving you access to SYSTM, a comprehensive collection of structured workouts and training plans, tailored towards your fitness objectives. KICKR BIKE SHIFT SPECS TECH SPECS: - Maximum Power Output: 2200 Watts - Maximum Simulated Grade: 20% - Minimum Simulated Grade: -15% - Product Weight: 79 lb / 36 kg - Drivetrain: Belt Drive - Resistance Type: Electronic Brake - Power Accuracy: +/-1% - Connectivity: ANT+, ANT+ FE-C, WiFi, Bluetooth, Direct Connect - Crank Arm Lengths (mm): 165, 167.5, 170, 172.5, and 175 - Rider Height Range: 5 feet (152 cm) to 6 feet 4 inches (193 cm) - Maximum Rider Weight: 250 lb / 113 kg WHAT'S IN THE BOX? - KICKR BIKE SHIFT smart bike - AC Power Adapter - Allen Wrenches (4mm and 5mm) - Handlebar Assembly - Seatpost and Saddle Assembly - Does not include pedals SUPPORTED DEVICES: - iPhone / iPad: iOS 13 or newer - Android: Please visit our support site to check for Android compatibility. - MacOS: Wifi or Direct Connect on the network, Bluetooth enabled or ANT+ dongle - Windows PC: Wifi or Direct Connect on the network, Bluetooth enabled or ANT+ dongle

This home trainer can automatically manage resistance by replicating up to a 24% slope gradient, which is perfect to train in an exceptionally realistic way, even at home, and to put yourself to the test through targeted programs and virtual competitions in the many cycling apps available. Justo tracks speed, cadence and power data in real time: power is measured with an accuracy within 1% thanks to the new integrated power meter, making this trainer the most technological and advanced product in the Elite ecosystem of interactive home trainer for bike training, perfect even for intense workouts. - Wireless Connectivity, ANT+™ (FE-C, Power, Speed&Cadence) and Bluetooth (FTMS, Power and Speed&Cadence) - Max Power, 1100 Watt (20km/h) - 2300 Watt (40km/h); Max Slope Simulated 24% - Control via smartphone, tablet, bike computer, sports watches, Windows and Mac. Computer ANT+™ and/or Bluetooth - Included adapters for: Quick release 5x130-135mm, Thru-axle 12x142mm - Accommodates Shimano 9/10/11/12 speed road cassettes, other options sold separately

With the introduction of fore-aft motion, the KICKR MOVE bike trainer allows your bike to move naturally for a more comfortable and realistic riding experience than ever before. Specs: - Power Accuracy: +/- 1% - Metrics: Speed, Distance, Power, Cadence - Maximum Power Output: 2200W - Maximum Simulated Grade: 20% - Minimum Simulated Grade: -10% (-8% with CLIMB) - Connectivity: ANT+, ANT+ FE-C, WiFi, Bluetooth, Direct Connect Setup: - Includes 11-speed cassette. - Can switch to accommodate up to 12 Speed - Ready to ride right out of the box. NEXT LEVEL EXPERIENCE From pushing out of the saddle on an explosive attack, to finding your rhythm during a tough endurance effort, when you move, KICKR MOVE moves with you. This freedom mirrors what you feel outdoors, bringing next-level realism and comfort to your indoor rides or lock in your position for focused efforts. MAX GRADE SIMULATION: 20% MAX POWER (WATTS): 2200w Kickr Move Features: ULTIMATE COMFORT - KICKR MOVE provides next-level comfort to your indoor cycling rides; the movement unleashed by its fore-aft motion reduces fatigue and improves overall efficiency, allowing you to train longer and harder than ever before. LOCK-OUT OPTION - When you want stability or a dialed-in position, KICKR MOVE features an option to prevent fore-aft movement and lock KICKR MOVE into place. ERG EASY RAMP - Need to pause the workout for any reason? ERG Easy Ramp™ gets you back into the effort gradually instead of requiring a leg-busting effort to hit your power numbers. PROFESSIONAL GRADE DURABILITY - Robust steel construction ensures the KICKR stays in place while you crank out the watts and stands up to years of heavy use. SEAMLESS CONNECTIVITY - Offering a robust 2.4 GHz Wi-Fi connection, up to 3 Bluetooth Connections, a direct connect port, and ANT+/ANT+FE-C compatibility, KICKR indoor bike trainers pair to most devices and applications so you have the most control over your training and ride data. NO LIMITS TRAINING WITH WAHOO X - All Wahoo smart bike trainers and smart bikes come with a trial to Wahoo X, giving you immediate access to two completely unique indoor cycling apps through one account.

The combined forces of Wahoo's proven power algorithms and SPEEDPLAY’s advanced features set SPEEDPLAY POWER power pedals a cut above the competition. By capturing total power, left-right balance and cadence, SPEEDPLAY POWER DUAL delivers all the actionable data required to generate performance improvements. Pair with the full Wahoo Ecosystem of smart devices to track, analyze, and share your breakthrough gains. Tech Specs: - Physical Dimensions: 9 x 4cm - Country of Origin: Vietnam - Weight: 276g per pair - Stack Height: 13mm (3 hole) - Q Factor: 55mm - Body Material: Grivory - Spindle Material: Stainless Steel - Bearing Type: Triple Sealed Cartridge & Needle Bearings - Cornering Clearance: 39° - Cleats: Standard Tension Included (Easy Tension Compatible) - Release Angle: Micro Adjustable from 0° to 7.5° - Pedal Float: Adjustable from 0° to 15° - Cleat Fore-Aft Adjustability: Up to 13mm - Cleat Left-Right Adjustability: Up to 6mm - Walkable Cleat: Yes (adaptor included) - Battery Life: Up to 75 hours - Connectivity: ANT+, Bluetooth - Max Rider Weight: 250lbs Wahoo Speedplay pedals are designed for road cycling only. For the best riding experience, ensure your cleats are clean before and during every ride. Off-road cycling can result in damage to the cleats and/or debris becoming lodged in the cleats.

The most convenient and natural indoor training experience. Designed to deliver the smooth ride experience of rollers with the added performance advantages only Wahoo can deliver. SAFETY TIRE GRIPPER The KICKR ROLLR safety tire gripper can hold up to a 2.1"" (53mm) tire to keep your bike upright and secure, making it easy to get on and off the bike while providing confidence-inspiring stability, even when sprinting. QUICK-ADJUST WHEELBASE CLAMP Setting up or switching bikes is simple on KICKR ROLLR, making it perfect for use with multiple bikes. Just open up the quick-adjust wheelbase clamp, slide the front and back wheel chocks to match your bike's wheelbase, and you're ready to roll. POWER METER CONNECT Connect Wahoo POWRLINK ZERO power pedals or other ANT+ power meters to get the benefits of training with power. ROLLR provides power readings to within +/-1% accuracy of the power meter, allowing you to train with the same precision, indoors and outdoors. In the box: - KICKR ROLLR - AC Power Adapter - Owner's Manual Supported Devices: - iOS - Android - PC (Mac and Windows)"

Built on the cutting-edge Speedplay Pedal System, Power Zero single-sided power pedals deliver reliably accurate power and cadence data in a race-proven pedal system. This powerful combination creates an unrivaled power pedal that helps cyclists optimize performance by providing the visibility, adjustability and efficiencies needed to break through to the next level. Pair with the Wahoo ecosystem of smart devices for a more full picture of your data and performance, and to track, analyze, share and improve. - Single-sided power metrics measure cadence from the left pedal; power is tracked and doubled to estimate total power output no matter where you are crushing watts, with lab tested +/- 1% power accuracy - Simple and intuitive Wahoo Fitness app offers guided instructions on how to install Power Zero's on any bike, calibrate the pedals for accuracy, and perform firmware updates - Simultaneously connect to three Bluetooth devices while broadcasting to an unlimited number of ANT+ devices Power Zero is built on on the dual-sided entry Speedplay Pedal System, which maximizes power transfer by putting your foot closer to the spindle. No more fumbling, fussing or kicking your pedal over; leverage a powerful take off when the light turns green and clip in with ease - Power Zero and the Speedplay Standard Tension Cleat create a secure connection and a streamlined profile. The two form a seamless integration that aids power transfer and increases aerodynamics. The slim profile cleat and rubber texture create enhanced stability when walking in your road shoes off the bike - The cleat can be positioned on the bottom of the shoe and adjusted fore-aft, left-right and rotationally, allowing between 0-15 degrees of float, allowing the heel to pivot around the center of the pedal. This range of motion in the foot, lower leg and knee increases comfort and enhances pedal efficiency - Uncompromised durability and minimal maintenance thanks to their stainless steel construction and triple-sealed bearing system Powered by a rechargeable lithium battery, Power Zero power pedals have a battery life with up to 75 hours, tested and proven to provide accurate power data across changing temperatures that you are sure to encounter while riding - Pair with the rest of the Wahoo Ecosystem compatible devices for the most connected training experience

For cyclists of all levels who are value-conscious but unwilling to compromise on quality, the KICKR CORE 2 provides a class-leading training experience. The KICKR CORE 2 is a powerhouse in its own right, offering many of the same premium features as other flagship trainers on the market. It delivers the same accurate power measurement, robust build quality, and realistic ride feel that define the KICKR family, making it an outstanding choice that punches well above its weight. - New leg design makes setup faster and easier, and more stable - Ultimate connectivity with WIFI and Bluetooth sensor hub

Wahoo KICKR CORE 2 with Zwift Cog and Click unlocks a world of indoor cycling fun and fitness. With Zwift Cog pre-installed, it has everything you need to achieve your goals—plus, it’s compatible with almost any 8-13-speed bike. Zwift Click effortlessly mounts to any handlebar for seamless, quiet virtual shifting and puts full control of Zwift at your fingertips: steer, navigate menus, give Ride Ons and more. Experience smart resistance that perfectly mimics every climb and descent and take your training to the next level with the built-in power meter. New Features: - Race Mode with ultra-fast power data updates - Integrated WiFi with automatic updates and KICKR Bridge - Updated LED system for clearer connection and status feedback - Redesigned legs for faster setup and better stability"

Love training when you travel? Need an awesome warm-up and cool-down during weekends at the races? Want to crush that indoor bike trainer workout in a small living space? Meet the Omnium Over-Drive Portable Bike Trainer. The adaptable fork-mount design keeps the rear wheel on the bike and offers the most dynamic ride quality of any stationary bike trainer available. Plus the precision rollers and internal progressive resistance design is so quiet you’ll never disrupt the neighbors. When you’re finished, the elegant folding design hides it in its padded tote like it was never there. Add a Sweat Guard and Trainer Mat and you’re armed with the complete training package. - Dynamic, free-floating rear wheel design promotes the most realistic riding experience of any stationary bike trainer - Patented, Internal Progressive Resistance via friction-less Eddy Current - Parabolic, progressive resistance curve accurately simulates outdoor cycling (rolling + wind resistance) - Adaptable fork-mount and adjustable sled design (16”-29” wheel; Thru-Axle and QR compatible) - Lightweight design for a complete bike trainer system – 14lb (6.35kg) - Precision machined 4” aluminum rollers create a smooth and quiet ride - Included fork adapters: - 9mm Quick-Release - Thru Axle: 12×100mm, 15×100mm & 15×110mm - Available fork adapters: - Cannondale Lefty, 20x100mm (BMX thru axle), 8mm x 74mm (folding bike) - Adaptable to virtually any bike size and geometry (up to 1348mm wheelbase with optional extender) - Maintenance-free resistance unit and roller bearings - Includes heavy-duty tote bag for easy transport and storage - Compatible with cycling apps: Zwift, The Sufferfest, TrainerRoad and Kinomap traditional trainer features* - Patent number: 9,393,475 *Requires ANT+ or BT rear wheel speed sensor

Love riding when you travel? Weekends spent at the races? Or just want to be able to train in a small living space? Meet the Omnium Zero-Drive Portable Trainer. The foldable, compact and adaptable fork-mount design keeps the rear wheel on the bike and offers the most dynamic ride quality of any trainer available. Plus it’s unique roller design is so quiet you’ll never disrupt the neighbors. When you’re finished, the elegant folding design hides in its padded tote like it was never there. Add a Sweat Guard and Floor Mat and you’re armed with the complete training package. - Zero Resistance is ideal for high-speed spinning and track cycling workouts - Adaptable fork-mount and sliding sled design (16”-29” wheel; thru-axle and QR compatible) - Lightweight 13.3lb (6.03kg) design makes it the ideal, portable cycling training partner - Precision machined 4.25” aluminum rollers create a smooth and quiet ride - Dynamic, free-floating rear wheel design promotes the most realistic riding experience of any stationary bike trainer - Included fork adapters: - 9mm Quick-Release - Thru Axle: 12×100mm, 15×100mm & 15×110mm - Available fork adapters: - Cannondale Lefty, 20x100mm (BMX thru axle), 8mm x 74mm (folding bike) - Adaptable to virtually any bike size and geometry - Optional Sled Extension (up to 1348mm wheelbase with optional extender) - No tools required to assemble or store — simply unfold for cycling training and fold for storage and travel - Maintenance-free resistance unit and roller bearings - Includes heavy-duty, water- and abrasion-resistant tote bag for easy transport and storage

The KICKR HEADWIND is the first ever smart fan, designed with the cyclist in mind. Its Targeted Airflow Pattern mirrors the shape and position of a cyclist's body while riding. The KICKR HEADWIND is sensor controlled so as your speed or heart rate increases, so will the fan speed, and there are also 4 manual speed settings should you want to set your own ideal airflow. With speeds of over 30 mph (48 kph), the KICKR HEADWIND will keep you cool during the toughest training sessions. - With wind speeds topping out at over 30 mph the KICKR HEADWIND will keep you cool during your hardest efforts. - The Targeted Airflow Pattern of the KICKR HEADWIND is designed to mirror the shape and position of a cyclist's body while riding on a bicycle. - Control the speed of your KICKR HEADWIND by pairing your ANT+ speed sensor, heart rate monitor, or smart trainer directly to the fan. As your speed or heart rate increases so will the fan speed. - Pair to the Wahoo App via Bluetooth for easy fan speed control at your fingertips. - Control the KICKR HEADWIND with a simple press of a button. Four (4) preprogrammed fan speeds allow you to select your ideal airflow. - The KICKR HEADWIND was specially designed to fit with the KICKR DESK. The wheels on the KICKR HEADWIND allow you to roll the fan into position when it is attached to your KICKR DESK.

The BlackTrack replaces the Skyliner (front wheel support) and enables you to steer freely in the Tacx Trainer software 4, Advanced. The front wheel of the bike is placed on a turntable so that you can steer to the left and the right. This allows you to choose where to ride when you are training in the virtual worlds. The BlackTrack communicates wirelessly with the computer via ANT+. Rubber Caps on the bottom prevent sliding and reduce noise. This steering frame is foldable. lightweight, and easy to store. The BlackTrack is suitable for the Tacx Trainer software (Windows PC) and can communicate with ANT+ trainers and interactive Smart trainers: - T1980 Bushido (ANT+) - T2020 i-Genius - T2050 Tacx IRONMAN trainer - T2060 Tacx IRONMAN Smart - T2080 Genius Smart with Upgrade Smart - T2170 i-Vortex - T2180 Vortex Smart with Upgrade Smart - T2240 Flow Smart with Upgrade Smart - T2780 Bushido Smart with Upgrade Smart

You’re already a proud owner of the Omnium Over-Drive Bike Trainer, but today you’re looking for a resistance-free, simple and effective spin session. Designed to be lightweight and portable, the Omnium Zero Resistance Sled is adaptable to whatever bike you ride and whatever workout you’re targeting – let the Zero-Drive Sled be your next training accessory. - Precision machined 4.25” aluminum rollers create a smooth and quiet ride - Dynamic, free-floating rear wheel design promotes the most realistic, road-like riding experience - Adaptable to virtually any bike (up to 1348mm wheelbase with optional extender) - No tools required to assemble or store — simply unfold for use and fold for storage and travel - Maintenance-free resistance unit and roller bearings - 3-Year Warranty

- Replacement freehub body compatible with Neo 2T (T2875.60), Flux S (T2900S.60 A), Flux 2 (T2980.60 A) direct drive trainers - NOT compatible with older generation Neo (T2800), Neo 2 (T2850/T2850.60), Flux (T2900), Flux S (T2900S/T2900S.60) and Flux 2 (T2980/T2980.60)

This handlebar bracket has been developed so you can attach a tablet to your handlebars. The design provides a safe distance so that no sweat falls on the screen while you are training. - Suitable for handlebars with a diameter ranging from 26mm to 35mm - Adjustable to different tablet sizes: length 182-267mm, width 112-197mm, max. thickness 13mm

With the Tacx tablet stand you can place your tablet at a comfortable height and distance while using your bike trainer. Adjustable to different tablet sizes - length 182-267mm, width 112-197mm, max. thickness 13mm.

The Elite Smart Sterzo riser block allows steering up to 34 deg while riding your rear wheel trainer while using ANT and Bluetooth communication protocol, interacts with compatible apps to give you the most realistic indoor ride. It’s rotating pivot features a practical automatic return system for you to easily get the handlebar back to its original position. Compatible with tires up to 56mm wide

Give your Tacx trainer the best possible protection for storage and transport with this sturdy trainer bag. It's designed specifically for Tacx trainers and has a separate compartment on the inside for accessories. The double inner layer with foam lining provides optimum protection, minimizing the risk of damage.

Our Trainer Axle is designed to adapt your thru-axle equipped bike to on-wheel trainers, such as a 1up, Blackburn, Cyclops, Kinetic, Tacx, Wahoo, and many others. Our goal is to fit the thru-axle to your bike perfectly to minimize spacers and extra parts, providing a clean, high-performance axle for your bike. Train, warm up, and be race ready and fit for the season. This axle will replace the R.A.T. axle found on all Cervelo R.A.T. equipped bikes. In addition to this axle, we include our replacement derailleur hanger with traditional threads. This axle combined with the replacement derailleur hanger will provide a complete threaded thru-axle system. Our derailleur hanger matches the geometry and construction of the stock derailleur hanger in every way for crisp shifting performance. - The axle shaft and axle ends are precision CNC-machined from 7075 aluminum, and hard-anodized for rugged durability. - No special tools required. Design allows for wheel installation or removal using your standard 5mm hex wrench. - Designed, built, and quality tested in the USA. Proven around the world.

- Sram XD and XDR freehub for Direct Drive trainers (Drivo and Direto's family, Suito, Turno, Kura, Turbo Roteo and Volano). - Compatible with 12 speed cassette.

The Wahoo KICKR Floormat is the perfect partner for your KICKR. It's water resistant and anti-slip to keep the trainer in place no matter how much you sweat! The thickness and material make it noise insulating, so your family will thank you during those early morning rides. - Impervious to sweat and spilled water bottles. - Gripping texture keeps the KICKR in place, so you can focus on your ride. - Material helps to reduce noise and make the KICKR even quieter. - Beveled edge keeps the mat in line with the floor.

The Elite Folding Mat increases the comfort of your home cycling setup while protecting the surfaces you train on every day. It's easy to use, store, and transport and can be stored everywhere in your house. Dimensions: 1.8m x .9m

Adapts a thru axle hub bike for a Saris bike trainer. - Trainer Thru Axle Adapter For Saris Trainers - Thread pitch: 1.00 & 1.75 What's Included: - Thru axle - Washers - Endcaps with bolts Trainer Compatibility The Saris Trainer Thru Axle Adapter is designed for indoor use on Saris trainers only and should not be ridden outdoors. Compatible with current basic trainers. Not compatible with CycleOps PowerSync trainers. Contact us with trainer compatibility questions. Bike Compatibility Many bike manufacturers do not publish thread pitch or hub spacing online. If you are unclear as to what type of thru axle your bike uses, please contact us.

Use these quick releases to put a racing bike with disc brakes or a mountain bike with a quick-release skewer in a Tacx direct drive trainer. Both axles are supplied with an adapter set so you can select the right combination for your bike. These axles are only suitable for the Tacx direct drives.

- Adapter for Tacx Direct Drive trainer - 01 is compatible with 142 x 12mm and 148 x 12mm - 02 is compatible with 135 x 10mm - 03 is compatible with 135 x 12mm (w/5 mm spacer included with every Tacx Direct Drive trainer), 142 x 12mm and 148 x 12mm - 04 The thru axle adapter kit is for bikes with a 12 mm thru axle. The axle adapter is required to couple the rear stay with the thru axle mount on a Tacx NEO or FLUX Smart trainer.

- Large and rollable trainer mat - Made from high quality, water-repellent 6mm thick foam - Protects your floor against scratches and sweat - Muffles noise and vibrations - 180 x 85 cm

KICKR XDR Freehub body allows you to use your KICKR with the new SRAM AXS drive train system. This kit includes a 1.8mm spacer for XD compatibility. Compatibility: KICKR '18, v5, v6, MOVE and KICKR CORE

Our Trainer Axle is designed to adapt your thru-axle equipped bike to on-wheel trainers, such as a 1up, Blackburn, Cyclops, Kinetic, Tacx, Wahoo, and many others. Our goal is to fit the thru-axle to your bike perfectly to minimize spacers and extra parts, providing a clean, high-performance axle for your bike. Train, warm up, and be race ready and fit for the season. - When it’s time for your race or time to head outside, simply remove your bike from the trainer, remove the drive side axle end and go. Our axle is suitable for use on or off the trainer, indoors or out. - The axle shaft and axle ends are precision CNC-machined from 7075 aluminum and hard-anodized for rugged durability. - No special tools required. Design allows for installation or wheel removal using your standard 5mm hex wrench. - Designed, built, and quality tested in the USA. Proven around the world. Important: Before you order, make sure your specific trainer will accommodate the width of your modern thru-axle-equipped bike. Measure your trainer at the widest setting and measure the outside width of your bike frame. Our the trainer axle ends will extend past your frame on each side.

The Saris thru axle adapter is designed for indoor use on Saris- or CycleOps-branded trainers only and should not be ridden outdoors. - Compatible with Classic series trainers and most Pro series trainers. Not compatible with PowerSync trainers. Contact us with trainer compatibility questions. - This adapter is designed to work with bikes that have a 142x12mm thru axle with 1.0 or 1.75 thread pitch. - The axle is threaded on both sides to fit both Syntace and Maxle/ABP style thru axle systems. - Many bike manufacturers do not publish thread pitch or hub spacing online. If you are unclear as to what type of thru axle your bike uses, please reach out to your local bike shop or the bicycle manufacturer directly. What's Included - Thru axle - Washers - End caps with bolts