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SHIMANO 105 CRANKSET 2X12s
FC-R7100

The newly designed crank arms offer an optimized balance between lightweight and efficiency. The crank, formed with hollow aluminum technology, is anodized with a beautiful gloss black anodized finish, giving it a luxurious look. The resin ribs on the back of the chainrings are SHIMANO 105's unique structural design that achieves both thorough weight reduction and crisp shifting performance.

Color
Bla­ck

The newly designed crank arms offer an optimized balance between lightweight and efficiency. The crank, formed with hollow aluminum technology, is anodized with a beautiful gloss black anodized finish, giving it a luxurious look. The resin ribs on the back of the chainrings are SHIMANO 105's unique structural design that achieves both thorough weight reduction and crisp shifting performance.

BENEFIT

Optimal balance of stiffness, strength, weight and rotational performance

BENEFIT

HOLLOWTECH II structure cuts weight yet maintains strength for better power transfer

BENEFIT

Crank arm length: 160, 165, 170, 172.5, 175 mm

BENEFIT

Gear combination: 50-34T, 52-36T

BENEFIT

Q-factor: 148 mm

Product Specification

PRODUCT SPECIFICATION

Model No

FC-R7100

Series

SHIMANO 105

Rear speeds

12

Compatible chain

HG 12-speed

Chain line (mm)

44.5

P.C.D. (mm)

110

Spider/gear arms

4

Chainring combination

50-34T, 52-36T

Q-factor (mm)

148

Crank arm length (mm)

160

165

170

172.5

175

Optional chain guard

Without chain/bash guard

HOLLOWTECH II

HOLLOWTECH crank arm

Compatible bottom bracket type

Outboard

Recommended bottom bracket

Threaded (normal)

SM-BBR60

Press-Fit

SM-BB72-41B

Threaded bottom bracket shell width (mm)

68

70

Crank fixing screw included

Average weight

754 (50-34T)

Color

Black

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