Gen2/Steering Head Bearing

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The steering head bearing is a tapered roller bearing in the frame's steering head tube.

Troubleshooting
  • Steering stickiness or wobble may indicate an inadequately greased steering head bearing or a worn bearing.
Platform Years Dimensions Stock Model Part # Description
S,X 2014-2018
ID: 30mm
OD: 55mm
Width: 17mm
Koyo SAC3055-1 ZM20-06068 Angular-contact caged ball bearings
Replacement
See Steering stem bearing replacement ('14-'17, all models) described for a 2014FX.
Reference
ZeroDS head bearing (2015)
DSR 17 steering head bearings
Steering stem bearing replacement ('14-'17, all models)