Alpha Gold Aluminum, internal cable routing, flat mount disc, rack & fender mounts, Internal Gear Hub Compatible ALUMINIUM 28 Trek Bontrager H2 Comp, reflective strip, wire bead, 30 tpi, 700x40 mm Shimano 3.0 watt dynamo hub Shimano Alfine S7000, 8-speed Bontrager Connection, double-wall, 32-hole, 20 mm width, Presta valve Shimano Gates CDX S250, 46T, 170 mm length VP BC73C, 68 mm, threaded Gates CDX, 22T steel ring Shimano Shimano MT200 hydraulic disc // Shimano MT200 hydraulic disc Shimano RT10, CenterLock, 160 mm slip-proof pedals with reflectors Bontrager Commuter Comp Bontrager alloy, 27.2 mm, 12 mm offset, 330 mm length Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 80 mm length Oversize sealed-cartridge, for internal routing Bontrager Satellite Elite, alloy lock-on SKS plastic, rear // SKS plastic, front MIK-compatible alloy rear rack, maximum load 25 kg Pletscher Comp Flex 18

• Gates CDX - The Gates CDX belt drive system is more durable than a standard chain, virtually maintenance-free and almost silent while you're riding.

The District 4 Mid-step is a hip and stylish high-end city bike designed for fun on cruises, commutes and trips around town. It has a quiet, low-maintenance Gates CDX belt drive system with an 8-speed Shimano Alfine internal hub for smooth, crisp shifting.