BOA is a cable system that pulls evening with a single dial

they need no further introduction

They come in a (very) pointed version which is great for small holes as it locates the hole best or in a rounded bullet end which is better for the bigger holes

You'll need a set of these Hope Hub Front Conversion kits

for 1/8" fixed gear sprockets

PNW Components Loam Dropper Adapter - Grey - Shimano I-Spec II algolia-ignore BOA is a cable systemThe PNW Components Loam Dropper Adaptor allows you to mount your PNW Loam Dropper Lever to your left hand brake lever tidying up your bike's cockpit. The results are generally much more feng shui and will increase your bikes 'trail appeal' by at least three high fives from strangers. Who's this item for: Riders who are already using the PNW Loam Dropper Lever but want to mount it directly to left hand brake lever. Materials: Alloy. Weight: Unknown.