Thursday, March 24, 2011

Shimano Tiagra Crankset FC-4603 Triple HollowTech II Compatibility and Specs

Shimano Tiagra 2012 Triple Crankset FC-4603

Shimano's proprietary HOLLOWTECH II design provides an optimum balance of light weight and stiffness, while Dual SIS front index shifting has long been the industry benchmark for instantaneous and assertive front shifting performance. Additional improvements include increased spacing between the inner and outer chainrings to reduce chain interference in cross-chain situations.

Cassette Compatibility: 10-speed
Reinforced Spider
Chainring Sets: 50-39-30T
Bolt Circle Diameter: 130/74mm
Crank Arm Length: 165, 170, 172.5, 175 mm
Bottom Bracket: SM-BB4600
Chain Line: 45mm
BB Shell Width 68/70mm
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.

Compatible with Shimano 10 speed chains: CN-4601, CN-7801, CN-6600, CN-5600 (NOT compatible with CN-7901, CN-6701, CN-5701)

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, SM-FC4600.

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

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