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The Super B TB-6617 Cotterless Crank Tool is a shop-quality bike tool designed for servicing Shimano® Octalink and ISIS Drive® bottom bracket systems, giving professional mechanics and home riders a reliable way to remove cranks without damaging the spindle threads. Its precision fit ensures secure engagement every time.
- For Shimano® Octalink and ISIS Drive® systems
- Use with an 8 mm hex key wrench or 15 mm spanner (sold separately)
- Precision-fit design for secure, damage-free crank removal
- Durable steel construction for repeated workshop use
- Professional-grade Super B build quality