Park Tool Cone Spanner 17MM SCW-17 drumbeat21-375 - Never force open

- Never force open

8mm diameter and 25-26mm (when used with supplied spacer)

Strava and TrainingPeaks via the Cateye Cycling app

- One-piece Xnetic knit backhand

- Tubeless Ready GCT Casing with re-inforced sidewall

Park Tool Cone Spanner 17MM SCW-17 drumbeat21-375 - Never force openThe standard of the industry, Park Tool Shop Cone Wrenches are unmatched in quality and performance. The special "Y" head design puts more material where it's needed for strength and durability. Precision sizing and a military grade industrial phosphate finish ensure an accurate fit and consistent quality. Thin enough to use on the narrowest of adjusting cones, the SCW Shop Cone Wrenches have a long, vinyl dipped handle for leverage and comfortable use