NEW Park Tool SCW-28 Cone Wrench: 28.0mm Type_Casual Wear Tubes: included and installed

Tubes: included and installed

Use of a clutch-style rear derailleur is recommended

Helix R 12-speed clusters are backward compatible with and can be used to upgrade an existing TRS+ 9-50 cassette

Third party online sales strictly prohibited by manufacturer

and 12-speed chains (including SRAM Flattop 12-speed chains)

NEW Park Tool SCW-28 Cone Wrench: 28.0mm Type_Casual Wear Tubes: included and installedShop quality cone wrench for extended use by professional mechanics. Long, vinyl dipped handle for leverage and comfortable use Special "Y" head design puts more material where 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