Bontrager Rhythm Comp Mountain Bike Stem // 31.8 x 80mm x 0 Degree Knockblock PEDALS or crown race

or crown race

Perfect for XC

This front wheel is built for urban commuting and powered by a Shimano Alfine dynamo hub

this setup combines Shimano’s latest wireless Di2 performance with a proven carbon wheelset

and comfort

Bontrager Rhythm Comp Mountain Bike Stem // 31.8 x 80mm x 0 Degree Knockblock PEDALS or crown raceRun your favorite 31. 8mm 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. Get 31. 8mm handlebar compatibility with your Knock Block system Also compatible with standard headsets and spacers Knock Block system protects frame from impacts by fork and handlebars by eliminating over rotation of bars