BONTRAGER RHYTHM COMP KNOCKBLOCK STEM has_product_type For safe braking on the

For safe braking on the trail

Stretchy and breathable Rudy fabric on the front with perforated channels for enhanced ventilation

The 9-litre capacity and bungee up top offer additional quick-and-easy storage

An ultra-durable rim with 29 mm internal

BONTRAGER RHYTHM COMP KNOCKBLOCK STEM has_product_type For safe braking on the31. 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