The Rock and Roll Control is the only interactive, app-controlled electronic trainer that allows your bike to move with you for a more realistic road feel AND a stronger core. It's part of our newest generation of interactive, app-controlled trainers offering the best power training workouts available, and features ANT+ FE-C and Bluetooth FTMS compatibility along with a more accurate and responsive ride. The Rock and Roll Control features a massive 12lb flywheel for the most inertia of any trainer in the category. It delivers efficient, app-controlled electronic resistance to automatically change with the course or workout, and is compatible with apps like Kinetic Fit, Zwift, TrainerRoad, Rouvy, Kinomap, The Sufferfest, and FulGaz. Additional features include super-quiet operation, accurate and reproducible power data, reliable wireless connection, incredible bike compatibility, and the cycling industry’s best warranty. - Patented frame mimics real-road movement - Controlled resistance to simulate terrain changes in workouts and on virtual courses - Pairs with devices using Bluetooth Smart and ANT+ - Works with Kinetic Fit, Zwift, and TrainerRoad on Bluetooth-connected smartphones, tablets, and laptops - Includes a free 6-month subscription for the Kinetic Fit power-training app - Compatible with virtually all bikes (bikes with a rear thru-axle require a Kinetic Traxle thru-axle adapter, sold separately) - Includes skewer - Max slope: 10% - Max resistance: 1800 watts at 30mph - ±3% accuracy - Frame fits 22-inch to 29-inch wheels - Ergonomic rubberized knobs and feet - Unconditional lifetime warranty on frame, one-year warranty on electronics

Bigger and Stronger for a Better Ride Featuring an improved ride feel and more accurate power measurements, this smart bike trainer has everything you need for an enjoyable and efficient indoor training session. - Ride hard. This trainer can handle sprints up to 2,000 watts. - Work up a sweat with inclines up to 16% that hold up to your most serious sprints. - Accuracy matters. Measure your power to within 2.5%. - Keep crushing it with your favorite apps, including Zwift and Tacx. - Finally, a trainer that won’t wake the whole house when you ride hard. ACCURATE AND RELIABLE This trainer is redesigned to let you track your performance and progress with reliable, consistent measurements. That includes power, speed and cadence, measured accurately within 2.5%. READY TO SPRINT The well-balanced design and large footprint of the FLUX 2 Smart trainer ensures maximum stability, even during the most explosive sprints, up to 2,000 watts. CLIMB HIGHER Get the most out of your intense workouts by training on realistically simulated inclines up to a 16% gradient. A MORE REALISTIC RIDE At 16.8 lbs (7.6 kg), a heavy flywheel ensures a realistic ride feel and good responsiveness. SMOOTH AND SILENT This direct-drive trainer is designed to bring vibration and noise levels to the absolute minimum, resulting in one of the most silent flywheel-equipped bike trainers available. IMPROVED COMPATIBILITY The trainer comes with additional axle adapters to significantly improve the axle compatibility. It is compatible with 142x12 mm and 148x12 mm axles — right out of the box. HIGHLY COMPATIBLE The FLUX 2 Smart trainer communicates via BLUETOOTH Smart technology and ANT+ FE-C protocol, so it works with a number of popular training apps such as TrainerRoad and Zwift. ABLE TO STAND ALONE You can opt to use the trainer in stand-alone mode. When not connected, it will simulate a flat road; the faster you ride, the higher the resistance. DEVICE COMPATIBILITY Connect FLUX 2 Smart to multiple devices simultaneously, so you can enjoy Tacx software and track your performance on your Garmin bike computer at the same time. TACX TRAINING SOFTWARE Enjoy a library filled with more than 100 high-quality, real-life videos that let you experience the rush of riding the steep hills of the Alps or the cobblestone roads of Milan. TACX TRAINING PLANS Take advantage of structured training plans, designed for your fitness level to help you meet your goals. Race live opponents, upload GPS data, ride with 3-D maps and more.

Looking for a smart, direct-drive trainer? The FLUX S Smart checks all the boxes: it’s reliable, accurate, silent, strong, and features a heavy flywheel for a very realistic ride feel. Made to help you sweat while cycling with your favorite apps, this bike trainer is the ideal indoor training companion. - Measure your power within 3% error tolerance - Next-to-silent direct drive trainer lets you ride without disturbing others - Works with popular third-party training apps such as Zwift and Tacx - Train with realistically simulated inclines up to a 10% gradient and a max sprint resistance of 1,500 watts - Sturdy design easily allows for riding full-out and standing on the pedals FEATURES Type of trainer: Interactive Smart direct drive with electric brake Magnets: 8 Permanent ferrite magnets & 8 electromagnets Transmission: None Electrical requirements: 110-240 Volt Power indicator: None Connection indicator (ANT/BT): 2 LEDs Firmware upgradable: Yes Suitable cassettes: Shimano & SRAM: 8 - 11 speed, Campagnolo. Not suitable for Specialized SCS system, SRAM XD and XD-R body sold separately Suitable axles: Road 130mm, MTB 135mm, 142mm & 148mm thru-axles. Adapter for 135 x 10mm available. Suitable bikes: Race, Tri, & MTB Supplied with: Quick release for road bikes and mountain bikes (5mm), Direct-drive quick release with adapter set for 142x12mm & 148x12mm thru-axles, 1 month Tacx Premium software SPECIFICATIONS Max. power (40 km/h): 1500 Watt Max. incline: 10% Simulation of descent: No Max. torque: 22.1 Nm Max. brake force: 65 N Flywheel: 7kg Mass inertia: 22.8kg (50.3 lbs) Calibration: Spin down Footprint (lxw): 670 x 642 mm (26.4 x 25.3 in) Height: 460mm (18.1 in) Weight: 22.8kg (50.3lbs) Article number: T2900S DATA OUTPUT AND CONTROL Wireless communication: ANT+ FE-C, Bluetooth Smart open Control by: ANT+FE-C bike computers, Connect to computer via ANT+antenna, Smartphone, Tablet, Stand alone Output: Cadence, Power, Speed Read out on: Bike computer, Computer with ANT+ antenna, Smartphone, Sports watch, Tablet Error Tolerance: <3%