savings between 1.5 and 9 watts per bearing set, depending on the level and condition of your existing bearings Kits include Freehub body with CeramicSpeed bearings pre-installed for easy installation onto the ...
FH-M678 Complete Freehub Body Description: The Shimano FH-M678 ...
Complete Freehub Body is an OEM replacement for various Shimano hubs Features: 12mm Thru-axle freehub body and freehub body washer Uses Shimano TL-FH15 (15mm hex key) to remove Fits Shimano FH-M988, FH-M828, ...