Altus wide link 8-speed compatible dual pull multi-fit front derailleur for recreational off-road use conventional down swing design low-friction wide linkage reduces shifting effort and 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 chain stay to seat tube angle range for outer chaining size from 42 to 48 tooth, total capacity 20 teeth compatible with 8-speed drivetrains.