We offer two chain retention devices to keep an ever watchful eye on your chain while you’re looking at what’s in front of you. ChainSpy 2 was designed specifically for use with our Direct Mount adapters, so you can use it on any build, from a commuter rig to the fattest of fat bikes.
Composite Spy with alloy bodies
ChainSpy 1 fits 31.8mm clamps with shims for 28.6mm tubes
ChainSpy 2 fits Problem Solvers Direct Mount Adapters (not included)