Surly Big Dummy Rail collars Pair MFPN=F740-GKSS-CR-D2 Utilizing a simple-yet-effective design that

Utilizing a simple-yet-effective design that allows for one-handed operation the CP-1

Craft's products can fit long and lean

5mm tubing diameter and matching fittings fit all year Hope brakes with same caliper/lever interfaces (do not use with 6mm tubing or fittings)

Steel cogs and lock ring Range 12-28 Cogs 12-14-16-18-21-24-28 Cassette Body Type Shimano HG 7-Speed Drivetrain Speeds 7 Color Silver Weight 236 Defined Color Silver Speed 7 Speed Gear Range 12-28T

Surly Big Dummy Rail collars Pair MFPN=F740-GKSS-CR-D2 Utilizing a simple-yet-effective design thatReplacement parts for the Surly cargo deck and rack system.