Kampisarja Shimano CUES FC-U6040-1 170mm 9/10/11-speed
Product technical specifications
- Crank arm length: 170 mm
- Bottom bracket axle profile: 24mm Hollow Shaft
- Bottom bracket case width: 68 mm, 70 mm
- Chain line: 50 mm
- Q-factor: 152 mm
- Bolt Circle Diameter: 110 mm
- Rear Speeds: 9/10/11-speed
- Gear Combination: 40T
- Recommended bottom bracket Press-Fit: BB-RS500-PB
- Recommended bottom bracket Threaded (normal): BB-RS501
- Compatible bottom bracket type Outboard
- Compatibility chain: CN-HG901-11, CN-HG701-11, CN-HG601-11, CN-LG500
- Material: Crank Arms, Spider - Aluminum (painted), Chainring - Steel (anodized), Axle: - Steel (plated )
TECHNOLOGIES
DYNAMIC CHAIN ENGAGEMENT+ -The special tooth profile for chainrings of 1-speed drivetrains noticeably improves chain retention, which also makes pedaling easier in rough terrain and offers particular advantages in the MTB application areas of Cross County, Enduro and Trail. The optimized chain guidance also reduces abrasion and wear, regardless of the gear selected.
HOLLOWTECH II -The guiding principle of Shimano's Hollowtech II technology is the perfect balance between stiffness, stability, weight and rotational efficiency. The goal was to produce a crank that minimises the effort required for the drive and enables more efficient power transmission. An exclusive forging process allows the production of extremely light crank arms that nevertheless guarantee maximum stiffness. The fixed connection of the right arm to the axle of the bottom bracket and its external bearing also serve an optimum relationship between stiffness and low weight.
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