Product Description Information regarding the return of batteries and electrical equipment:Information on the return and disposal of used batteries and electrical equipment can be found here. Specifications:Type:Freestanding rollersResistance Adjustment:interactiveBrake Power (max.):1500 wattsPower Meter:Yes, accuracy +/- 1 % (optionally available accessories)Data Transfer:Bluetooth, ANT+Protocol:FE-C (Fitness-Equipment-Control)Technical Information:Resistance Unit:electromagnetic brakeResistance Levels:continuousFly Wheel:4.8 kgPower Source:100 - 240 V, cannot operate without powerDimensions (L x W):101 cm x 28 cmCompatibility:Wheel Size:28"Wheelbase:1010 mmApproved For:Tyre Width (max.):2.1" (53 mm)Features:free-standing smart training rollers with front wheel mount for staying securely on the trainerinteractive resistance for a realistic driving experienceuncomplicated bike exchange, ideal for use with different bikesoptional watt measurement via power meter such as POWERLINK ZeroManufacturer Number:WFBKTR9B Contents:1 x Manufacturer: Wahoo Fitness 90 W Wieuca Rd NE Suite 110 Atlanta GA 30342 USA support@wahoofitness.com Distributor: bc GmbH Carlo-Schmid-Straße 12 52146 Würselen Germany info@bike-components.de