9 outer - taper to 29mm inner

with a 511% range on the 11 speed cassette

(chainring sold separately)

Materials: Solid

Ion K-Pact Knee Pads - 2XL - Black Needs Images 9 outer - taper toThe K Pact Knee Pads have been in Ion's line up for quite a few years now. They have seen some minor revisions over the last few years, mainly in the breathability department. Most of the knee pad remains unchanged which isn't a bad thing. The K Pact Knee Pad has been a top performer since it's inception. Comfy enough to pedal in but sturdy enough to bomb DH tracks with. Awesome. Who's this item for? This knee pads is a great option for DH, Enduro and