Trek Bolt Axle ABP Race Drive Side Black hydration MJ-900S is an upgraded and

MJ-900S is an upgraded and improved version of the original classic MJ-900 which has sold millions of units around the world

All Galfer brake pads feature a semi-metallic compound with organic components and offer a wide range of properties that promise consistent braking performance over the long term

Synerg-E uses only the finest

Hub flanges are moved outboard 5mm compared to the standard 100m front hub to increase wheel stiffness

Meticulously crafted from conception to development to production

Trek Bolt Axle ABP Race Drive Side Black hydration MJ-900S is an upgraded andOriginal equipment replacement rear derailleur hangers Attachment hardware is sold separately