Reign E+ 1 MX Pro 25km/h – Giant Melbourne


Reign E+ 1 MX Pro 25km/h

Every trail, every steep climb, every thrilling descent. Tested and developed by Giant’s E-bike enduro pros, this updated trail ripper gives you the power to enjoy the best parts of the ride again and again.

Select color

  • Good Gray / Black

Select size

  • S
  • M
  • L
  • XL
View sizing guide

$9,799.00 AUD $8,329.15 AUD

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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

Size cm feet


Seat Tube Length S400 M425 L450 XL475
Seat Tube Angle S76.7 | 77.5 M76.7 | 77.5 L76.7 | 77.5 XL76.7 | 77.5
Top Tube Length S569 | 568 M595 | 594 L622 | 621 XL649 | 648
Head Tube Length S100 M100 L110 XL120
Head Tube Angle S63.7 | 64.5 M63.7 | 64.5 L63.7 | 64.5 XL63.7 | 64.5
Fork Rake (mm) S44 M44 L44 XL44
Trail S135.5 | 132.1 M135 | 132 L135 | 132 XL135.5 | 132.1
Wheelbase S1209 | 1210 M1236 | 1237 L1265 | 1266 XL1295 | 1296
Chain Stay Length S454 M454 L454 XL454
Bottom Bracket Drop S25 | 15 M25 | 15 L25 | 15 XL25 | 15
Stack S636 | 632 M635 | 632 L645 | 641 XL654 | 650
Reach S425 | 430 M450 | 455 L475 | 480 XL500 | 505
Stand Over Height S785 | 789 M772 | 776 L771 | 775 XL768 | 772
Stem Length S40 M40 L50 XL50
Crank Length S160 M160 L165 XL165
Wheel Size SF29" / R27.5" MF29"/R27.5" LF29" / R27.5" XLF29" / R27.5"

Technical specifications

Motor SyncDrive Pro, 85Nm, powered by Yamaha
Controller RideControl Ergo 3, grip integrated
Display RideControl GO, frame integrated LED displayANT+ Wireless display compatible
Battery EnergyPak Smart 625WhEnergyPak Plus range extender compatible
Size S, M, L, XL
Colours Good Grey
Frame ALUXX SL-grade Aluminium, Advanced Forged Composite Upper Rocker, 160mm Maestro suspension system, 'Boost' 148x12mm, UDHTM derailleur hanger
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, 205x62.5mm Trunnion mount, custom tuned
Handlebar Giant Contact Trail, 35mm
Stem Giant Contact SL 35
Seatpost Giant Contact Switch, dropper, 30.9mm
Saddle Giant Romero Trail
Pedals 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 disc, 203mm
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 optimized
Crankset Praxis Wavetm 36T Cold Forged 4130 premium steel Praxis e-Cadet+ custom forged crankarm set (S/M:160, L/XL:165)
Bottom Bracket N/A
Rims Giant e-TR1 29"[F] 27.5"[R], Tubeless ready, 30mm inner width
Hubs Giant e-TR1 [F] 110x15 [R] 148x12mm Thru-axle
Spokes Giant e-TR1
Tires Maxxis Minion DHF 29x2.6" foldable, Tubeless, EXO+, 3C MaxxTerra[F]Maxxis High Roller II 27.5x2.5" foldable, Tubeless, DoubleDown, 3C MaxxTerra Compound [R]
Extras Tubeless kit (liquid, valves, levers, manual, tool)
Weight The most accurate way to determine any bike's weight is to have your local dealer weigh it for you. Many brands strive to list the lowest possible weight, but in reality weight can vary based on size, finish, hardware and accessories. All our bikes are designed for best-in-class weight and ride quality.
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