RockShox Air Can Mon/Mon+ 165X38 Box Pack Roller bearing clutch in the

Roller bearing clutch in the pulley cage pivot for better chain control

yet most designs on the market use the exact same suspension layout across all the sizes

the Procen Air brings the speed benefits of a time trial helmet to performance road cycling

Now you can quickly and accurately determine the wear and stretch of any chain with the Park Tool Chain Checker

Energy consumption is reduced via significantly increased cohesion by 9% to effectively reach and maintain top speed with less effort of all chain components working together

RockShox Air Can Mon/Mon+ 165X38 Box Pack Roller bearing clutch in theRockshox Air Can Mon Mon+ 165X38 Mfr Claimed Weight TBC