K-Edge Cross Single Chain Catcher coupled with a K-Edge Ring Guard is the ultimate lightweight set-up for a single ring cyclocross set-up. The adjustable Cross foot mounts to its own CNC sculpted lightweight clamp. K-Edge Cross Single adds additional protection to a single ring set-up by preventing the chain from jumping up or off the ring.Clamps independent of front derailleurSpecifically designed for the abuse of cyclocrossAdjustable Cross foot mounts to its own CNC sculpted lightweight clampCross Double prevents a dropped chain and the confidence to shift in any situation6061 T6 aluminumFits all round seat tube frames or frames with a round mounting areaClamps independent of front derailleurSpecifically designed for the abuse of cyclocrossAdjustable Cross foot mounts to its own CNC sculpted lightweight clampXL version designed for situations that need some extra reach, such as when the standard chain catcher may not clamp low enough, due to a flared seat tube, etcItem SpecificationsFront Derailleur Clamp31.8mm (1-1/4")