Giant Reign Advanced Pro 1 (2023)
Giant Reign Advanced Pro 1 (2023) - Black Diamond/Matte Carbon / L : This product is available for backorder only. Will ship as soon as it is back in stock.
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Sizing Chart
Sizing Chart
Sizing and Geometry
Giant Reign
Sizing to be used as a reference only. The best way to determine your size is to visit us in-store and take the bike for a test-ride.
| Frame size | Rider height |
| S | 163-172cm |
| M | 171-180cm |
| L | 179-188cm |
| XL | 187-198cm |
Geometry

| S | M | L | XL | ||
|---|---|---|---|---|---|
| LOW | MID | HIGH | LOW | MID | HIGH | LOW | MID | HIGH | LOW | MID | HIGH | ||
| A | Seat Tube Length (mm) | 400 | 425 | 450 | 475 |
| A1 | Seat Post Insertion Depth (mm) | 257 | 383 | 308 | 333 |
| B | Seat Tube Angle | 78.3° | 78.7° | 79.0° | 78.3° | 78.7° | 79.0° | 77.3° | 77.7° | 78.0° | 77.3° | 77.7° | 78.0° |
| C | Top Tube Length (mm) | 556 | 555 | 555 | 587 | 586 | 585 | 620 | 620 | 619 | 652 | 652 | 651 |
| D | Head Tube Length (mm) | 100 | 105 | 115 | 120 |
| E | Head Tube Angle | 63.5° | 63.9° | 64.2° | 63.5° | 63.9° | 64.2° | 63.5° | 63.9° | 64.2° | 63.5° | 63.9° | 64.2° |
| F | Fork Rake (mm) | 44 | 44 | 44 | 44 |
| G | Trail (mm) | 140 | 138 | 135 | 140 | 138 | 135 | 140 | 138 | 135 | 140 | 138 | 135 |
| H | Wheelbase (mm) | 1214 | 1213 | 1212 | 1246 | 1245 | 1244 | 1271 | 1270 | 1269 | 1304 | 1303 | 1302 |
| I | Chain Stay Length (mm) | 445 | 443 | 442 | 445 | 443 | 442 | 445 | 443 | 442 | 445 | 443 | 442 |
| J | Bottom Bracket Drop (mm) | 35 | 30 | 25 | 35 | 30 | 25 | 35 | 30 | 25 | 35 | 30 | 25 |
| K | Stack (mm) | 627 | 624 | 622 | 632 | 629 | 626 | 641 | 638 | 635 | 645 | 642 | 639 |
| L | Reach (mm) | 426 | 430 | 434 | 456 | 460 | 464 | 476 | 480 | 484 | 506 | 510 | 514 |
| M | Stand Over Height (mm) | 723 | 727 | 732 | 743 | 747 | 752 | 756 | 760 | 765 | 771 | 777 | 782 |
| O | Stem Length (mm) | 40 | 40 | 40 | 40 |
| P | Crank Length (mm) | 165 | 170 | 170 | 170 |
| Q | Wheel Size | 29" | 29" | 29" | 29" |
Shipping Information
Shipping Information
This product: Pickup in-store only. Shipping not available.
Shipping available†
We offer shipping on select brands including: Rocky Mountain, Orbea, XDS, Icon, Jamis, Shogun, Schwinn, BYK, Kidvelo. These bikes are shipped unbuilt in their original box.
†Only bikes stocked at our Warehouse location are available for shipping.
Shipping upon request to your local bike shop
Some brands require the bike is delivered directly to a bicycle shop or mechanic for assembly, and shipping is not available to your residence. These include GT, Cannondale, .
Request a shipping quote to proceed.
Pickup in-store only
Certain bike brands cannot be shipped and are only available for Click and Collect or purchase in-store.
These include but are not limited to the following brands: Giant, Norco, Liv, Momentum, Malvern Star and Mongoose.
Pre-assembled bikes
†Any bikes in stock at our Heidelberg Heights, Hallam or Hoppers Crossing store locations are already fully assembled, and therefore only available for Click and Collect or purchase in-store.
Sizing and Geometry
Giant Reign
Sizing to be used as a reference only. The best way to determine your size is to visit us in-store and take the bike for a test-ride.
| Frame size | Rider height |
| S | 163-172cm |
| M | 171-180cm |
| L | 179-188cm |
| XL | 187-198cm |
Geometry

| S | M | L | XL | ||
|---|---|---|---|---|---|
| LOW | MID | HIGH | LOW | MID | HIGH | LOW | MID | HIGH | LOW | MID | HIGH | ||
| A | Seat Tube Length (mm) | 400 | 425 | 450 | 475 |
| A1 | Seat Post Insertion Depth (mm) | 257 | 383 | 308 | 333 |
| B | Seat Tube Angle | 78.3° | 78.7° | 79.0° | 78.3° | 78.7° | 79.0° | 77.3° | 77.7° | 78.0° | 77.3° | 77.7° | 78.0° |
| C | Top Tube Length (mm) | 556 | 555 | 555 | 587 | 586 | 585 | 620 | 620 | 619 | 652 | 652 | 651 |
| D | Head Tube Length (mm) | 100 | 105 | 115 | 120 |
| E | Head Tube Angle | 63.5° | 63.9° | 64.2° | 63.5° | 63.9° | 64.2° | 63.5° | 63.9° | 64.2° | 63.5° | 63.9° | 64.2° |
| F | Fork Rake (mm) | 44 | 44 | 44 | 44 |
| G | Trail (mm) | 140 | 138 | 135 | 140 | 138 | 135 | 140 | 138 | 135 | 140 | 138 | 135 |
| H | Wheelbase (mm) | 1214 | 1213 | 1212 | 1246 | 1245 | 1244 | 1271 | 1270 | 1269 | 1304 | 1303 | 1302 |
| I | Chain Stay Length (mm) | 445 | 443 | 442 | 445 | 443 | 442 | 445 | 443 | 442 | 445 | 443 | 442 |
| J | Bottom Bracket Drop (mm) | 35 | 30 | 25 | 35 | 30 | 25 | 35 | 30 | 25 | 35 | 30 | 25 |
| K | Stack (mm) | 627 | 624 | 622 | 632 | 629 | 626 | 641 | 638 | 635 | 645 | 642 | 639 |
| L | Reach (mm) | 426 | 430 | 434 | 456 | 460 | 464 | 476 | 480 | 484 | 506 | 510 | 514 |
| M | Stand Over Height (mm) | 723 | 727 | 732 | 743 | 747 | 752 | 756 | 760 | 765 | 771 | 777 | 782 |
| O | Stem Length (mm) | 40 | 40 | 40 | 40 |
| P | Crank Length (mm) | 165 | 170 | 170 | 170 |
| Q | Wheel Size | 29" | 29" | 29" | 29" |
The Reign Advanced composite chassis is built strong, light, and fast, designed for Giant enduro pros. Its advanced suspension system has been developed, tested, and raced at the highest levels for smooth, controlled performance on the toughest trails. With enhanced adjustability, riders can fine-tune geometry and setup to tackle technical terrain exactly the way they like, delivering confidence, precision, and speed on every descent and climb.
Race-bred suspension
A new Maestro rear suspension system with longer travel (160mm) was developed and tested under the extreme conditions of Enduro World Series races. The trunnion mount shock has a longer stroke (62.5mm compared to 60mm on the previous generation). And the Advanced Forged Composite upper rocker arm adds stiffness and lowers overall weight.
Adjustable enduro geometry
New flip chip technology lets you switch between three settings depending on the terrain. You can select a 63.5, 63.9 or 64.2-degree head angle and corresponding 78.3, 78.7 or 79-degree seat tube angle, resulting in a 35, 30 or 25mm bottom bracket drop (size medium) to fine-tune handling for trail conditions, riding style and rear-wheel size.
Rear wheel options
Riders can choose either a 29- or 27.5-inch rear wheel, paired with a 29-inch front wheel. The larger 29-inch option improves stability and roll-over capabilities, while the 27.5 option delivers a more agile, snappier feel. It’s a quick and easy change to adjust the bike’s handling and feel.
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Frame material
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Frame
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Fork
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Shock
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Handlebar
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Grips
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Stem
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Seatpost
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Saddle
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Pedals
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Shifters
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Rear Derailleur
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Brakes
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Brake Levers
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Cassette/Freewheel
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Chain
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Crankset
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Bottom Bracket
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Rims
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Hubs
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Spokes
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Tyres
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Extras
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Notes
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Speeds (rear)12 Speed
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Age GroupAdults, Teenagers
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GenderMens, Unisex
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SKUsBlack Diamond/Matte Carbon/S: 2311301104, Black Diamond/Matte Carbon/M: 2311301105, Black Diamond/Matte Carbon/L: 2311301107, Black Diamond/Matte Carbon/XL: 2311301108
