Find the size of the replacement bearings

On this page you can find all the sizes of the bearings present on our hubs currently on the market.

FIR Wheel Bearing KIT

Straight Pull road hubs - Star Ratchet
These hubs are present on our models: FC38 EVO, FC38 PRO, FC 50 PRO

Straight Pull road hubs - Star Ratchet

These hubs are present on our models: FC38 EVO, FC38 PRO, FC 50 PRO

Discover our BLOG

New in 2024
Feb 26, 2024

New in 2024

After a period of relative stability, FIR is ready to amaze. After years of testing and hundreds of km, we are finally...
Leggi di più
Apr 04, 2019

The Bike Innovation Gist Focus

The season has begun and with it the FIR wheels have started to turn For this year, in the MTB field, we...
Aug 22, 2018

XTERRA Germany, technical lesson

That at the European Championship there would have been a risk of arriving a bit tired was in the cards. 3 consecutive...
Laws
Laws