Shimano SLX Crankset 9 speed Dyna-Sys FC-M665 HollowTech II Compatibility and specifications

Shimano SLX Crankset 9 speed Dyna-Sys FC-M665

SLX Hollowtech II Cranksets feature hollow forged crank arms, durable pipe billet steel axles, and smooth shifting SG-X chainrings. Model FC-M665 features traditional MTB triple chainrings.

BASHGUARD: Do not use the bashguard for the FC-M810 single chainwheel with the FC-M665 chainwheel, as it will not function correctly. Shimano bashguards are designed together with the crank arms to provide strength, rigidity and good shifting performance. (Please read the Service Instructions.) CHAIN DEVICE: When installing a BB mount-type chain device to a bicycle, refer to the Service Instruction.

Model Number: FC-M665
Series: SLX
Crank Construction: HOLLOWTECH II
Cassette Compatibility: 9-speed
Chain Compatibility: Super Narrow HG for 9-speed
4-Arm Chainrings: yes
Cahainring Sizes: 36-22T Mountain Compact
Bolt Circle Diameter: 104/64mm
Crank Arm Length: 170/175mm
Crank Arms: forged aluminum / hollow type
Middle Chainring: aluminum
Inner Chainring steel
Chainring Bolts & Nuts: aluminum (bolt), steel (nut)
Bash Guard
Chaincase Compatible: no
E-type FD: Compatible
Chain Line: 46.8mm
BB Shell Width: 68/73mm
Average Weight: 999g including BB
To lock the crank you'll need Shimano crank-arm/cap tool TL-FC16.
To fit or remove the HollowTech II BB, you'll need Shimano Tool TL-FC32.

Japan Retail Price: 14.445 yen (please check here for cross rate).

Compatible with Shimano 9 speed rear derailleur.

Compatible with 9 speed HG chain.

Compatible with HollowTech II BB; SM-BB7900, SM-BB90, SM-BB91, SM-BB6700, SM-BB5700, SM-BB70, SM-FC7800, SM-FC4500, SM-FC6600, SM-FC6601, SM-FC5600.

Park Tool BBB-2 The Big Blue Book of Bicycle Repair - 2nd Edition