Hope Spiderless Retainer Chainring - Direct Mount - Shimano - 51-53mm Chainline - Round - 32T - 9-12 Speed - Blue - Alloy YGroup_7073378336813 They are secure from the

They are secure from the ultra-grip rubber temples and nose pads

Convertibility: 15 x 110mm Boost Only

Limitations: Very low grip compared to standard MTB tyres

the Cascade Socks are an excellent addition to your kit bag

How much does it weigh / dimensions: The rack weighs 23kg

Hope Spiderless Retainer Chainring - Direct Mount - Shimano - 51-53mm Chainline - Round - 32T - 9-12 Speed - Blue - Alloy YGroup_7073378336813 They are secure from theHope 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