Good quality
"No problem sticking this on my bike with a Shimano 11 speed drivetrain (Hollowtech tool, 4mm Allen key, some extra grease and torque wrench required). The shifts are fine."
Shimano 105 FC-RS520 double 12-speed chainset; 165 mm 50 / 34T; black
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£97.81
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£149.99
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- Lightweight 12-speed 2-piece design chainset
- Innovative forged and anodised aluminium crank arms for minimum flex
- The chainring teeth have been developed to work in conjunction with Hyperglide&plus 12-speed chains for increased contact to provide greater efficiency and improved power transfer
- 2-piece design bottom bracket bearings to be spaced wider apart; enabling the use of larger bearings and an increased axle diameter
- Can be used with Shimano external or press-fit bottom brackets
- The system allows for easier installation; adjustment; and maintenance
- Lightweight anodised aluminium chainrings for smooth and precise shifting
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