- Anodized aluminium crank arms
- Lightweight aluminium chainrings
- Designed to work with HollowTech II type bottom bracket cups
- Compatible with 10-speed Super Narrow HG chains
- Includes both crank arms
- BCD (bolt circle diameter): 110mm
- Tooth range: 50t / 34t
- Crank arm length: 170m
- Includes SM-BB51 bottom bracket
- Weight: 814g (excluding BB)
Whether you need some help with a product query such as sizing or have questions and comments about our services, our customer services team is here to help. You can contact us by phone, email, or live chat.
Phone: 01384 476 267
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