SRAM Crank Arm Boots - Black - Pair Do Not Ship Internationally Dimensions: 15 x 20 x

Dimensions: 15 x 20 x 63

then you'll need a new Freehub body

The led light will allow you to know the status of the battery so you know when it is ready to go

lightweight aluminium barrel

Pulse mode：10 hrs

SRAM Crank Arm Boots - Black - Pair Do Not Ship Internationally Dimensions: 15 x 20 xThese are a must have item when using carbon cranks and they will protect the ends of your crank arms from damage. We use these boots with SRAM cranks and they have held up extremely well, doing an exceptional job at protecting the crank arms. No more grimacing when you bash your crank arms on rough trails! These booties are suitable for Descendant Carbon and non Eagle XX1 and X01 cranks. The Eagle carbon cranks have a different size and shape so see