Park Tool SCW-21 21mm Shop Cone Wrench MCH Is it only compatible with

Is it only compatible with Zwift

offering in-wheel tire pressure monitoring on our most advanced and lightest rim design

Drop: 122mm

the special design of the threaded valve does not allow mounting on other rims

Chebacco/Altum Disc Rear Dropout Assembly

Park Tool SCW-21 21mm Shop Cone Wrench MCH Is it only compatible withThe 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, our Shop Cone Wrenches have a long, vinyl dipped handle for leverage and comfortable use.