You can find all the replacement parts you need for your Progress wheels at Escapa.
The 2019 Progress Nitro/Ultra MTB 9x135mm Hub Adapters are used to convert the hub or wheel to any quick-release system.
FEATURES:
Adapters to convert the hub or wheel to any quick-release system.
Compatible hub: 2019 Nitro/Turbine Ultra MTB Rear
Size: 9x135mm
Set of 2.
