SHIMANO 105 HOLLOWTECH II Crankset 2x12-speed

FC-R7100

NEW

SHIMANO 105 HOLLOWTECH II Crankset 2x12-speed

FC-R7100

NEW

An attractive aluminum crank with hollow arms for lightweight, rigidity, and durability

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.

FEATURES

  • 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 SPECIFICATIONS

MODEL NO FC-R7100
SERIES SHIMANO 105 R7100 Di2 Series
Color Black
Threaded bottom bracket shell width (mm)_70
Chainring combination 50-34T 52-36T
Compatible bottom bracket type_Outboard
Crank fixing screw included
Crank arm length (mm)_160
Crank arm length (mm)_165
Crank arm length (mm)_170
Crank arm length (mm)_172.5
Crank arm length (mm)_175
Spider/Gear arms 4
HOLLOWTECH II
HOLLOWTECH crank arm
Optional chain guard_Without chain/bash guard
Recommended bottom bracket_Press-fit SM-BB72-41B
Recommended bottom bracket_Threaded (normal) SM-BBR60
Threaded bottom bracket shell width (mm)_68
Q-factor (mm) 148
Chain line (mm) 44.5
Compatible chain HG 12-speed
P.C.D. (mm) 110
Rear speeds 12

TECHNOLOGIES