NEW Surly Single Speed Spacer Kit Surly Single-Speed Kit, Spacers and Lockring height_5ft-07in Ultegra Di2 6770

Ultegra Di2 6770

- 12-Speed with an extra wide 10-51t range features HYPERGLIDE+ technology to provide a quiet drivetrain in all gear positions

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Dropper post-compatible with 1x and 2x drivetrains (2x mechanical drivetrains use external cable droppers)

NEW Surly Single Speed Spacer Kit Surly Single-Speed Kit, Spacers and Lockring height_5ft-07in Ultegra Di2 6770Surly Single Speed Spacer Kit comes with a selection of anodized aluminum spacers, so you can get a perfect chainline to complement your road, track or mountain crankset. Our large diameter, stainless steel Cassette Lockring holds everything together and perfectly matches the outside diameter of the spacers. Plus, it matches the machined shoulder of our single speed cassette cogs (not included). The lockring is machined to utilize a common Shimano