Giant Reign E+ 1 (2022)
Giant Knox City offers 12 months of complimentary servicing for every new bike. Read more about it here.
Every trail, every steep climb, every thrilling descent. Tested and developed by Giants E-bike enduro pros, this updated trail ripper gives you the power to enjoy the best parts of the ride again and again.
Key Performance Factors
Trail technology
Proven Maestro rear suspension (160mm) and a powerful but compact SyncDrive Pro motor technology boost your capabilities on steep climbs and rugged descents.
Total control
RideControl Ergo 3 offers integrated, user-friendly button controls that are easy to use. The Giant E-bike App gives you tuning options and E-bike specific fitness tracking.
Long-lasting power
Climb steep mountains and enjoy fun descents all day long with the downtube-integrated EnergyPak
Sizing Guide
Detailed Specs
| Model Name | Reign E+ 1 |
| Sizes | S, M, L, XL |
| Colours | Good Grey |
| Motor | SyncDrive Pro, 85Nm, powered by Yamaha |
| Battery | EnergyPak Smart 625Wh EnergyPak Plus range extender compatible |
| Controls | RideControl Ergo 3, grip integrated |
| Display | RideControl GO, frame integrated LED display ANT+ Wireless display compatible |
| Charger | EnergyPak 6A smart charger |
| Frame | ALUXX SL-grade Aluminium, Advanced Forged Composite Upper Rocker, 160mm Maestro suspension system, flip chip, 12x148mm thru-axle |
| Fork | Fox 38 Float Performance Elite 29er, 170mm travel, GRIP2 VVC Damper, Boost 110x15 Kabolt floating axle, e-Bike optimised |
| Shock | Fox Float X2 Performance Elite, EVOL Large Volume sleeve, 2-position lever, Trunnion mount, custom tuned |
| Handlebar | Giant Contact Trail SL, 35mm |
| Grip | Giant Tactal Pro-E, single lock-on |
| Stem | Giant Contact SL 35mm S:40mm, M:40mm, L:50mm, XL:50mm |
| Seatpost |
Giant Contact Switch dropper, remote S: 100mm travel / 30.9 x 345mm M: 125mm travel / 30.9 x 395mm L: 150mm travel / 30.9 x 440mm XL: 170mm travel / 30.9 x 450mm |
| Saddle | Giant Romero Trail |
| Pedal | Platform |
| Shifters | Shimano Deore XT |
| Front Derailleur | MRP 1X HD2 custom co-moulded chain guide |
| Rear Derailleur | Shimano Deore XT, 12-Speed, Shadow+ |
| Brakes | Shimano Deore XT, BR-M8120, 4-piston, hydraulic, 200mm[F], 200mm[R] |
| Brake Levers | Shimano Deore XT BL-M8100, I-spec EV |
| Cassette | Shimano HG-M7100, 10-51T, 12-speed |
| Chain | KMC e.12 Turbo, EcoProteq, e-bike optimised |
| Crankset |
Praxis Wave 36T Cold Forged 4130 premium steel S: 160mm, M 160mm, L: 165mm, XL: 165mm |
| Bottom Bracket | N/A |
| Rims | Giant e-TR1 [F] 29", [R] 27.5", Tubeless ready |
| Hubs | Giant e-TR1 [F] 110x15 [R] 148x12mm Thru-axle |
| Spokes | Giant e-TR1 |
| Tyres |
Maxxis Minion DHF 29x2.6" foldable, Tubeless, EXO+, 3C MaxxTerra[F]
|
| Lock | Torx 25 Battery Lock with built-in Torque limiter |
| Extras | Tubeless kit (liquid, valves) |