BONTRAGER RHYTHM COMP KNOCKBLOCK STEM has_product_type Know your ride

Know your ride

Black/Blue

The Bontrager NCS fender is everything you want in a fender

complete with elite-level OCLV Carbon rims

Large and in charge

BONTRAGER RHYTHM COMP KNOCKBLOCK STEM has_product_type Know your ride31. 8 mm of durable control Run your favourite 31. 8 mm clamping diameter handlebar on a bike with Knock Block with the Rhythm Comp 31. 8. It adds Knock Block compatibility to a durable stem with multiple lengths to let you fine tune the fit to your ride. Features Bontrager Rhythm Comp KnockBlock Stem Get 31. 8 mm handlebar compatibility with your Knock Block system Also compatible with standard headsets and spacers The Knock Block system protects the