競輪/NJS認定
NJS-approved. Main Tubing: Kaisei 022, Bottom Bracket: Shimano
Dura-Ace Track BB-7610, Headset: Shimano Dura-Ace Track HP-7600
Spacing: Front 100mm/Axle 9mm, Rear 123mm(chain tug1.5mm+hub120mm+chain
tug1.5mm) )/Axle 10mm. In NJS keirin racers, it is the most popular
style. |