SLX was born out of the separation of the old LX groupset into LX for Trekking bikes, and SLX for a true mountain bike specific groupset that is Tough, Aggressive and Light.
The Hollowtech II SLX crankset features a composite middle ring for double the service life, improved shifting performance, and a reinforced construction for a rugged riding style.
Featuring hollow forged crank arms, durable pipe billet steel axles, and smooth shifting SG-X chainrings, the SLX Crankset will take your riding to new heights. Features:
Composite middle chainring offers double service life, improved shifting and smoother pedaling
2 tone colored crank arm
High rigidity crank arm
Accurate chainline construction by 2-piece structure
Reinforced construction for extreme riding style
Increased ground clearance
Specifications:
Model Number: FC-M660
Series: SLX
Crank Construction: HOLLOWTECH II
Cassette Compatibility: 10-speed
Chain Compatibility: Super Narrow HG for 9-speed
4-Arm Chainrings: Yes
Chainring Sizes: 42-32-24T
Bolt Circle Diameter: 104/64mm
Crank Arm Length: 170mm or 175mm (choose from drop-down menu)
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