ISIS drive

Fully precision cnc machined 7075AL chain rings,ramped and pinned for perfect shifing
32/22T chain rings
165,170,175mm lengths

Black Anodized

Chromoly chain rings bolts

BB Width:68 or 73 mm
670g with chain rings 

Bone Grinder bash guard

Patented double hollow hole design

7075AL crank arms

View assembly PDF

Fully precision cnc machined 7075AL chain rings,ramped and pinned for perfect shifing

CNC 7075 AL spider BCD 104/64mm

Spindle made by Scandium

44/32/22T chain rings with

165,170 or 175 mm lengths

BB Width:68 or 73 mm
Black Anodized

7075al chain rings bolts

750g with chain rings 
Patented double hollow hole design

7075AL crank arms

View assembly PDF              

Ken Chang Ind. Co., Ltd. NO 13,L Chu Wei, Chin Ling, Hsiu Shui, Chunghua  Taiwan, R.O.C., Tel: 886-4-7684363  Fax: 886-4-7684373