WHEELS MANUFACTURING REPLACEABLE DERAILLEUR HANGER/DROPOUT 489 exclude_standard_shipping 1 x Shimano Hollowtech II

1 x Shimano Hollowtech II Press Fit Bottom Bracket SM-BB71-41B

Real-time air pressure data

Shimano TL-HS38 cone wrench for mounting

Pro-level OCLV Carbon rim with 29 mm internal width

Recommended system weight: 130 kg (body weight + bike + equipment)

WHEELS MANUFACTURING REPLACEABLE DERAILLEUR HANGER/DROPOUT 489 exclude_standard_shipping 1 x Shimano Hollowtech IIReplaceable derailleur hanger designed for enhanced shifting precision and durability. The 489 model features a stiffer, more rigid construction that minimizes flex during gear changes, delivering crisp and reliable performance across all chainring and sprocket combinations. Compatible with a wide range of frames, this dropout upgrade reduces chain lag and improves overall drivetrain responsiveness. Built to withstand demanding terrain and frequent