Sizing: Universal Adult: 53-60cm

Dura-Ace R9100

Cons: Not compatible with other brands

50 x 15 x 15 cm (Waterproof Carry Bag)

Optimised for Shimano 10-speed HG-X MTB drivetrains

Hope Spiderless Retainer Chainring - Direct Mount - Bosch - 51-53mm Chainline - Round - 34T - 9-12 Speed - Blue - Alloy Replace Images Sizing: Universal Adult: 53-60cmHope Spiderless Retainer Chainrings allow for the use of smaller chainrings by mounting directly to the Hope Crank interface. Made from a lightweight Aluminium, these are designed to hold on to the chain while saving weight over a normal spider and ring combination. Specs: Material: CNC machined 7075 T6 Aluminium Finish: Hard anodised Speed: 9, 10 and 11 Speed Tooth Profile: Narrow wide Intended Chainline: 51 53mm (Boost 148) Narrow wide tooth profile