The replaceable 10mm hex pins are rear loaded so they are easier to replace in the future

Safe for use on all surfaces including discs

Protection Style: They are a minimal protection slip on sleeve

Along with its smaller cousin MJ-900S

It caters to all varieties of riding styles

Hope Spiderless Retainer Chainring - Direct Mount - Hope - 51-53mm Chainline - Round - 34T - 9-12 Speed - Purple - Alloy NoAusPost The replaceable 10mm hex pinsHope 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