Acera wide link 8-speed compatible dual pull multi-fit front derailleur for recreational off-road use Compact top swing design Low-friction wide linkage reduces shifting effort & increases rigidity Dual pull design allows it to be used with top or bottom cable routing Multi clamp band is compatible with all frame dimensions 66-69 degree chainstay to seat tube angle range For outer chainring size from 42 to 48 tooth total capacity 20 teeth Compatible with 7- or 8-speed drivetrains