With two different slots

“I want it to be as tight as it can be

Chainring: 4 bolt

foldable legs for compact storage

Hope Spiderless Retainer Chainring - Direct Mount - Shimano Steps - 51-53mm Chainline - Round - 34T - 9-12 Speed - Blue - Alloy PDP|Colour With two different slotsHope 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