JB R1 - Aluminium Rollers with Lite APP WOEMNS 8 lightweight

8 lightweight

when combined with Shimano's specific connectivity junction box

The Speed sensor can be installed on either the front or rear hub of your bike

Steel Bead

JB R1 - Aluminium Rollers with Lite APP WOEMNS 8 lightweightFEATURES Aluminium roller drums give a smooth and quiet ride with no chance of distortion due to heat or sunlight High grade sealed bearings provide maintenance free service Roller diameter is 80mm and riding surface width is 390mm Rollers are pre assembled and ready to ride Rock solid design is stable for the most punishing of training sessions Folds into compact shape for easy storage Adjustable roller position