Model FR660A2
Chainring 53T / 39T(9S)
Outer ring Alloy SB BK anodized /CNC
Center ring N/A
Inner ring Alloy SB BK anodized
Ring Fixation Interchangeable
Arm Finish Polish Silver/ Bk anodized
Crank Material 6061 alloy forged
Length 175/172.5/170mm
BCD 130mm
Chainguard N/A
Axle fixing bolt Cro-mo (M8)
Chainline 43.5mm
Weight 710g
Suggested Spindle Square-110.5mm ISIS-118mm
SQUARE ● Taiwan● China
ISIS ● Taiwan ○China
ROAD_Bicycle Chainwheel & Crank Sets_FR660A2 (LASCO)