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Shimano

Shimano 105 Chainset 12 Speed - Black - FC-R7100

Shimano 105 Chainset 12 Speed - Black - FC-R7100

$114.99 USD
$119.99 USD $114.99 USD
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Size
SHIMANO-Crank Teeth (RD Crank Chainring 2X)
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

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

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

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

Q-factor: 148 mm

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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