For running single-speed drivetrain or internally-geared hubs on frames with vertical or semi-vertical dropouts. Includes left and right-hand springs for versatile positioning. Mounts on derailleur hangar. Adjustable to any chainline. Fits cogs up to 22T. For 3-32" chain only. Can't use with coaster brake of fixed gear
- Fit to rear mech hanger position - Surly Singulator features CNC alloy body, variable chainline, floating tension pulley, stainless steel pivot bushing, Triple sealed reversible spring - Compatible with 1/8" and 3/32" chains - 11T jockey and slotted alloy chain rejection side plates