Hope Spiderless Retainer Chainring - Direct Mount - Hope - 51-53mm Chainline - Round - 30T - 9-12 Speed - Silver - Alloy Exclusive Gauge Yes / No: No

Gauge Yes / No: No gauge on this one

Fitting is spot on with Giro's Roc Loc Air DH system

rotate it up and it's off

OEM products are supplied to bike manufacturers to be installed on new bikes

firmly glued to the rear rather than being included separately as with the predecessor CS-M9100

Hope Spiderless Retainer Chainring - Direct Mount - Hope - 51-53mm Chainline - Round - 30T - 9-12 Speed - Silver - Alloy Exclusive Gauge Yes / No: NoHope 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