31.8mm of durable control
Run 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.
Always evolving
Whether it's training on mountain trails or the occasional road trip on a hot day, women need an affordable combination of comfort and freedom of movement.
Main characteristics
Replacement saddle ears for use with Bontrager saddles with carbon rails
Compatible with Bontrager and Trek seat post and seat mast systems
Consult manufacturer on compatibility with other saddle brands
Does not include hardware
