i assume it's the same mechanism as the travel adjust in the sherman breakout. it's a small set of wings that flare outward and compress a small spring. it's not built to take full on loads i.e. it's more just for climbing.
A forum community dedicated to Mountain Bike owners and enthusiasts. Come join the discussion about bike parts, components, deals, performance, modifications, classifieds, trails, troubleshooting, maintenance, and more!