The Shimano Dura-Ace FC-R9100 crankset with 52-36T chainrings and 170mm crank arms is an 11-speed, Hollowtech II crankset designed for road and triathlon use. It is known for an optimal balance of rigidity, low weight, and efficient power transfer.
Key Specifications
Feature Specification
Series Dura-Ace R9100
Rear Speeds 11-speed
Crank Arm Length 170 mm
Chainring Combination 52-36T (semi-compact)
Construction Hollowtech II (hollow crank arms)
Outer Chainring Tech Hollowglide (hollow structure)
Material Aluminum crank arms, Aluminum/CFRP (carbon) large
chainring, Aluminum small chainring, Steel axle
Bolt Circle Diameter
(BCD) 110 mm (4-arm asymmetrical design)
Q-Factor 146 mm
Chain Line 43.5 mm
Spindle Diameter 24 mm
Claimed Weight Approx. 628 g (170mm, 52/36T configuration)
Recommended BB BB-R9100 (threaded) or SM-BB92-41B (Press-fit)
Compatible Chain HG-EV 11-speed, HG-X11 (e.g., CN-HG901-11)
Key Features
- Optimal Power Transfer: The crankset features a rigid, four-arm construction that maximizes stiffness while keeping weight low.
- "Rider Tuned" Options: The single BCD size (110mm) allows for a wide range of chainring combinations (50-34T, 52-36T, 53-39T) using the same crank arm set.
- Durability: Anodized finishes on the crank arms and chainrings provide durability.
Aesthetics: The distinctive, iconic design is a signature of the Dura-Ace line.
****READY STOCK****
More detail about K & L Partners
Malaysia
