ECR 27.5"+ Fork panaracer Track cogs are meant to

Track cogs are meant to work on track hubs only

Works on most bikes in your stable with the multi-point mounting system and the extra-long mounting straps

Compatible with the 2021 Copper Spur HV UL3

Servo Wave Action technology means quicker brake engagement with shorter free stroke

ECR 27.5"+ Fork panaracer Track cogs are meant toDescription The Surly ECR fork features accommodations for a rack and fenders, a set of Three Pack cage mounts on each leg, disc brake mounts and brake line guides. Constructed using the same 4130 CroMoly steel as Surly's frames and forks, with an 1 1 8" steerer. Features Butted and tapered blades Barrel bosses at the dropouts and crown Mid blade thru blade eyelets Three Pack cage bosses on each fork leg QR Dropouts Fits tires up to 27. 5 x 3 wide