Machined aluminum Chain Keeper works either as a Singlespeed guide or with a 1X multi speed set up
 Clamp version mounts to the seat tube in place of the front derailleur and comes in 3 sizes
 Wide mouthed chain block and adjustable rod allow for precise alignment
 Use chain keeper extension (PC-2909) to fit some difficult frames (full suspension, tapered seat tube)
 Not intended for DH, FR, or big hit use
 Made in USA
| model | chain keeper | 
| mount | 31.8mm | 
| color | black |