Upgrade the bearings in your Shimano Ultegra 6600 or R6 wheelset with this CEMA ceramic kit and enjoy noticeably smoother, more efficient rolling. Engineered to fit the Ultegra 6600/R6 wheelset (Mod. SRC-WH-S004), these ceramic bearings run with less friction and greater durability than stock steel — a straightforward service upgrade that pays off every ride.

  • Fits Shimano Ultegra 6600 and R6 wheelsets (Mod. SRC-WH-S004)
  • Ceramic bearings for reduced rolling resistance and extended service life
  • Quality CEMA product manufactured to precise tolerances
  • Complete kit for a full wheelset bearing replacement
  • Ideal for road cyclists seeking a performance edge from their Ultegra wheels
SKU BPW-0862
Model # 0862
Brand CEMA