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RD1 ISIS (Road) Standard (53/39) or Compact (50/34) PDF Print E-mail

KCNC RD1 ISIS Road Bike Cranks

ISIS drive
7075AL crank arms
Fully precision cnc machined
7075AL ramped chainrings
Available in 170,172.5,175mm lengths
50/34T chainrings with a 110mm bcd spider
or 53/59T chainrings with a 130mm bcd spider
BB Width:68 or 70 mm
Color: Black Anodized
7075AL chain rings bolts
515g with chain rings
Patented double hollow hole design



RD1 ISIS Road Bike Crankset Users Manual