0 tyres and works with any tubeless valve

great durability

A great addition to your toolbox when you are limited on space or want to travel light

ceramic-hybrid and XD-15 with Ceramic or Stainless Balls

0mm offset for BB30 short spindle cranks

Race Face Crank Boots Pair - Black - Small - Alloy Do Not Ship Internationally 0 tyres and works withProtect your carbon or alloy cranks from the abuse of trail riding. These are a must have item when using carbon cranks. We use these boots with our Race Face cranks and they have held up extremely well and have done an exceptional job protecting the crank arms. No more worrying about bashing your crank arms on rough trails! To install, remove pedals and slip over the end of your crank arms. Medium Carbon Compatibility: Sixc Cinch Sixc (24mm Spindle)