Hope Spiderless Retainer Chainring - Direct Mount - Hope - 51-53mm Chainline - Round - 30T - 9-12 Speed - Silver - Alloy Exclusive Max Lumens: 3750 (Reflex 5250)

Max Lumens: 3750 (Reflex 5250)

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

Gauge Yes / No: No gauge on this one

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

rotate it up and it's off

Hope Spiderless Retainer Chainring - Direct Mount - Hope - 51-53mm Chainline - Round - 30T - 9-12 Speed - Silver - Alloy Exclusive Max Lumens: 3750 (Reflex 5250)Hope 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