This not only provides a superior indoor riding experience but will eliminate any stress on your body and equipment as you won't be forced to ride in a twisted position

Easy to read gauge

ProWallProWALL sidewall reinforcement technology increases puncture protection and improves handling at low pressures

even if the adjustment knob is not properly tightened

Profile: 15mm

Hope Spiderless Retainer Chainring - Direct Mount - Shimano Steps - 51-53mm Chainline - Round - 34T - 9-12 Speed - Purple - Alloy Out of Stock This not only provides aHope 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