Model FM550-2X-1 / FM550-2X-2
Chainring 38T/ 24T
Outer ring Alloy SB BK anodized/ Precision CNC
Center ring N/A
Inner ring Alloy SB BK anodized
Ring Fixation Interchangeable
Arm Finish SB BK & BK polish anodized
SB BK & Silver polish anodized
Crank Material 6061 alloy forged
Length 175, 170mm
BCD 104/ 64mm
Chainguard N/A
