Why the Giant Reign E+?
Every trail, every steep climb, every thrilling descent—nothing is out of bounds with the Reign E+. Tested and developed by Giant’s e-bike enduro pros, this proven trail ripper gives you the power to enjoy the best parts of the ride again and again. With its proven Maestro rear suspension (160mm) and a powerful yet compact SyncDrive Pro motor, you gain enhanced capabilities on steep climbs and rugged descents. Its progressive geometry, featuring a shorter rear end and longer reach, ensures superior handling and agility on technical terrain. The RideControl Ergo 3 provides integrated, user-friendly button controls, and the Giant E-bike App offers tuning options and e-bike specific fitness tracking for total control.
- Front Travel: 170mm
- Rear Travel: 160mm
- Wheel size: MX
Technical Details
SyncDrive Pro powered by Yamaha is designed for high-performance E-bike riding. Giant tuned the motor to make it more powerful, producing a performance-oriented riding style. The lightweight, compact SyncDrive Pro motor is used primarily on Giant’s high-performance models.
- SyncDrive Pro
- Adjustable Geometry
- RideControl Go & Ergo 3
- Maestro Suspension
Geometry
Geometry
| S | M | L | XL | ||
|---|---|---|---|---|---|
| LO | MID | HI | LO | MID | HI | LO | MID | HI | LO | MID | HI | ||
| A | REACH | 426 | 430 | 435 | 456 | 460 | 465 | 476 | 480 | 485 | 505 | 510 | 514 |
| B | STACK | 647 | 645 | 642 | 656 | 654 | 651 | 669 | 667 | 665 | 683 | 680 | 678 |
| C | HEAD TUBE ANGLE | 77.1° | 77.5° | 77.9° | 63.1° | 63.5° | 63.9° | 63.1° | 63.5° | 63.9° | 63.1° | 63.5° | 63.9° |
| D | BOTTOM BRACKET DROP | 10 | 5 | 0 | 10 | 5 | 0 | 10 | 5 | 0 | 10 | 5 | 0 |
| E | WHEELBASE | 1226 | 1226 | 1227 | 1261 | 1261 | 1261 | 1287 | 1288 | 1288 | 1323 | 1323 | 1324 |
| F | CHAINSTAY LENGTH | 450 | 450 | 450 | 450 |
| G | HEAD TUBE LENGTH | 95 | 105 | 110 | 135 |
| H | SEAT TUBE LENGTH | 400 | 425 | 450 | 475 |
| I | SEAT TUBE ANGLE | 77.1° | 77.5° | 77.9° | 77.1° | 77.5° | 77.9° | 77.1° | 77.5° | 77.9° | 77.1° | 77.5° | 77.9° |
| All measurements in degrees or millimetres | |||||
Sizing Guide
The sizing chart is a great place to start when picking your next bike but everyone will fit a bike a bit differently. Your torso, arm, and leg lengths all play into what size of bike you may need. Plus, there's your own personal preference.
We always recommend swinging by the shop and taking the bike that you're looking for a spin to see how it feels. If you're unable to come by, looking at the geometry of your current bike and comparing it is a good place to start. If you have any further questions, our customer service team is there to help.
| Size | Height | Imperial | Metric |
|---|---|---|
| S | 5'4" - 5'9" | 163- 174cm |
| M | 5'7" - 6'0" | 171 - 188cm |
| L | 5'10" - 6'3" | 179 - 188cm |
| XL | 6'2" - 6'6" | 187 - 198cm |
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From basic safety checks to brake setting, to a complete rebuild, we are here to make all of your bike dreams come true.