DESCRIPTION & MATERIALS
• Forged aluminium arms
• Compatible with JIS Square taper and PowerDrive BB
• AL7075 stamped and CNC machined chainring
• Heat treated chromoly inner chainring
SIZES
• Alloy bashring, Heat treated chromoly chainring
• Length - L165mm, L170mm, L172.5mm, L175mm
• Q-Factor - 143mm
• BB - JIS square , PowerDrive
• BCD - 130mm
• Chainline - 44.1mm
• Teeth combination: 39, 42
• Recommended BB-7420 (113mm), BB-8420 (108mm)
FINISH
• High-polish black or silver anodized
WEIGHT
• 732 g