Replacement drive-side and non-drive-side end caps for a SUNringlé Bubba or Super Bubba rear hub running the Shimano HG freehub driver.

Compatibility & fit

Fits SUNringlé Bubba and Super Bubba rear hubs at 148x12mm (Boost) or 157x12mm spacing, where the hub is set up with the Shimano HG freehub driver. Not for SRAM XD or Micro Spline drivers — see the matching end cap pair for those.

SUNringlé spares are covered by Hayes Bicycle Group's Limited Warranty: two years from the original purchase date against defects in materials and workmanship, to the original owner, repaired or replaced free of charge on return with valid proof of purchase. For warranty support, return the product to Tune Cycles and we'll manage the claim with SUNringlé's Australian distributor. This is in addition to your rights under the Australian Consumer Law, so keep your proof of purchase.
  • Pair of rear end caps (drive side and non-drive side)
  • 148x12mm or 157x12mm axle spacing
  • For the Shimano HG freehub driver
  • Genuine SUNringlé part 281-37249-K003
FitsSUNringlé Bubba, Super Bubba rear hub
Axle spacing148x12mm or 157x12mm
Freehub driverShimano HG
SUNringlé part number281-37249-K003
SKU DTW-SRG-281-37249-K003
Barcode # 844171074404
Brand SUNringlé