Lens features: Comes with 100%'s HiPER contrast defining lens so you can see rocks

all-day comfort is assured

a cup seal passes this area and closes the port

Stack height: 40mm for all models

Hope Spiderless Retainer Chainring - Direct Mount - Shimano Steps - 51-53mm Chainline - Round - 34T - 9-12 Speed - Orange - Alloy PDP|Colour Lens features: Comes with 100%'sHope 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