Swing Arm Bearings MFPN=11101271 Ramped center knobs provide excellent

Ramped center knobs provide excellent traction for braking and acceleration while also reducing rolling resistance

Disc Center Lock Rim Internal Width 21

} Replacement freehub bodies include pawls and springs pre-installed

Steel Cassette Technology X-Dome Range 10-30T Cog Material Steel Finish Silver Speed 12

Swing Arm Bearings MFPN=11101271 Ramped center knobs provide excellentReplacement High Quality Swing Arm Bearings for Surron x4 SKF sealed bearings Deep groove ball bearings ABEC 9 rating, highest quality bearings available Bearings cannot be pressed through the swing arm. Must remove from both ends, please see our install video (here) for details.