Hope Spiderless Retainer Chainring - Direct Mount - Shimano Steps - 51-53mm Chainline - Round - 34T - 9-12 Speed - Purple - Alloy Replace Images Cons: Not the fastest tyre

Cons: Not the fastest tyre out there

For use with Shimano Hollowtech II cranksets

The 'med' models feature a more moderate 30mm rise

Clutch style: Features an adjustable clutch that can be engaged and disengaged manually

14 watts saved with only 39g extra weight

Hope Spiderless Retainer Chainring - Direct Mount - Shimano Steps - 51-53mm Chainline - Round - 34T - 9-12 Speed - Purple - Alloy Replace Images Cons: Not the fastest tyreHope 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