Surly Rear Thru-Axle - 12x177 mm, Stainless, Black.Low-profile, bolted Thru-Axles are specifically designed for use with Surly thru-axle compatible frames.
Set of five spacers for converting to singlespeed on Shimano freehub bodies Includes stainless steel lockring The lockring is machined to utilize a common Shimano cassette lockring tool for installation and removal. Surly Single-Speed Kit, Spacers and Lockring Plus, it matches the machined shoulder of our single-speed cassette cogs (not included)..This isn’t just a mix of off-the-shelf parts; we went the extra distance to give you a kit that will provide maximum functionality, durability and aesthetic value.