One tool for the 8-notch chainring lockring on Bosch Gen 3, 4 and 5 and Brose eBike motors, plus Shimano Octalink and ISIS bottom bracket cups.

Highlights

  • Bosch Gen 3, Gen 4 and Gen 5 chainring lockrings (8 notches)
  • Specialized Levo Brose and SRAM eBike lockrings (8 notches)
  • Shimano Octalink drive-side BB cups with external notches
  • ISIS drive BB cups, including Truvativ and Bontrager
  • Use with a 1/2 in drive wrench or 24 mm open-end wrench

eBike chainring lockrings

On mid-drive eBikes the chainring or spider is held on by a lockring at the motor. This tool installs and removes the 8-notch lockring used on Bosch Gen 3, 4 and 5, Specialized Levo Brose and SRAM eBike systems.

Compatibility & fit

Fits 8-notch eBike chainring lockrings on Bosch Gen 3/4/5, Specialized Levo (Brose) and SRAM; Shimano Octalink drive-side cups with external notches; ISIS drive cups including Truvativ and Bontrager. Not for Bosch Gen 1 (see Super B TB-1073) or Shimano STEPS (see TB-1071). Prefer to leave it to us? Our workshop can service eBike drivetrains.

Super B offers a limited lifetime warranty: under normal use, a tool with a defect in material or manufacture will be repaired or replaced. It doesn't cover normal wear, or damage from accident, abuse, neglect, modification or improper use. This cover is in addition to your rights under the Australian Consumer Law. Keep your proof of purchase. For warranty support, return the product to Tune Cycles and we'll manage the claim with Super B's Australian distributor.

  • 8-notch eBike lockring tool
  • Bosch Gen 3 / 4 / 5
  • Specialized Levo Brose and SRAM eBike
  • Shimano Octalink and ISIS BB cups
  • 1/2 in drive or 24 mm open-end wrench
BrandSuper B
ModelTB-1069 Bottom Bracket / E-Bike Lockring Tool
TypeBottom bracket / eBike lockring tool
eBike fitBosch Gen 3, Gen 4, Gen 5; Specialized Levo Brose; SRAM eBike (8-notch lockrings)
BB fitShimano Octalink drive-side cups (external notches); ISIS drive cups incl. Truvativ and Bontrager
Drive1/2 in drive or 24 mm open-end wrench
SKU BCP-TB1069
Model # TB1069
Barcode # 4712947228886
Brand Super B Tools
Shipping Weight 0.3000kg
Shipping Width 0.160m
Shipping Height 0.060m
Shipping Length 0.220m