absoluteBLACK T-30 Chainring Bolt Set Long Bolts and Nuts 10pc CheckoutSpec= 90mm Stem Length UDH is designed to rotate

UDH is designed to rotate rearward in the event of impact and features the ability to “re-rail” the chain back onto the small cog

The length of the cables and the efficacy of the rewinding system of Ercolina Upper Body Power allows high performances with the high cadence that the strongest athletes can achieve

Vendor Sturmey archer Manufacture Number HSJ217

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74mm post-mount replacement calipers: if replacing IS-51mm caliper

absoluteBLACK T-30 Chainring Bolt Set Long Bolts and Nuts 10pc CheckoutSpec= 90mm Stem Length UDH is designed to rotateTorx T 30 bolt for greater reliability with standard slotted nut CNC machined 7075 with type II anodizing Long fits 110 4 &110 5 BCD for outer+inner ROAD oval chainrings, 104BCD oval 26 28 32T, 64BCD round 26 28 30T, 94BCD oval 30 32 34T Short fits 104BCD oval 34 36T, 110 4 and 110 5 CX oval 38T, and 104BCD round 32 34 36 38T For XT M8000 and XTR M9000 use original Shimano bolts For Road inner oval chainring only with original round outer, use