Meticulously crafted from high-grade aluminum and specifically designed for the rigors of velodrome cycling, Dura Ace 7710 crank arms are the choice of many champions and serious track cyclists who demand the absolute best.

Dura Ace 7710 crank arms are exceptionally strong and stiff, with a sleek, minimalist design and beautiful polished finish that not only reduces weight but also complements the aesthetics of any high performance track bike.

Specifications

• 144mm bcd

• NJS certified & stamped

• length: 165, 167.5, 170, 172.5mm

• Q factor: 136mm

• M15 crank bolts, dust caps and chainring bolts included

• required bottom bracket: Dura Ace 7710 NJS Octalink for 68mm English-threaded frames or Dura Ace 7700 Octalink for 70mm Italian-threaded frames (sold separately)

• color: polished silver

• weight: 505g (165mm)