Friday, October 29, 2010

SHIMANO XTR FC-M985 Double Crankset 2x10s Dyna-sys Compatibility & Specifications

Shimano Dyna-Sys XTR FC-M985 Double Crankset 42-30T, 40-28T, 44-30T HollowTech 2 type 2011.

• Dyna-Sys 2 X 10 race inspired
• HOLLOWTECH II technology
• Close ratio gear combination
• Narrower Q-factor
• DUAL SPIKE technology for faster, smoother gear shifts.
Configuration: 40-28T / 42-30T / 44-30T
PCD: 88mm
Available length: 170/172.5/175/180
Chain Line: 48.8mm
BB width options: 73/68mm
HOLLOWTECH II type
Weight: 715g(40-28T、175mm)
Weight: 720g(42-30T、175mm)
Weight: 740g(44-30T、175mm)
Double (2x10)
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 or alternative is the 2 in 1 Park Tool Bottom Bracket Tool BBT-9C.

Japan Retail price 51.989 yen (see cross rate here)

Compatible with Shimano Shifting Levers: SL-M660-10R, SL-M770-10R, SL-M980, SL-M980-I.

Compatible ONLY with Dyna-sys MTB 10 speed chains: CN-HG74, CN-HG94, CN-M980

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

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