Velopedia Bicycle Archive
2020 Giant Reign Advanced Pro 29 1
Original specifications: geometry for 4 published sizes.
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At a glance
- Model year
- 2020
- Category
- Mountain
- Original MSRP
- $5,000.00
- Sizes
- S, M, L, XL
- Colors
- Charcoal
- Geometry
- 4 manufacturer sizes
- In this record
- 20 specifications · archived image · original MSRP · geometry
- Archive ID
- 900002572
Original buildCarbon Fiber
Frameset
| Frame Construction | Advanced-Grade Composite front and rear triangles, 146mm |
|---|---|
| Frame Material | Carbon Fiber |
| Fork | Fox 36 Float, GRIP2 damper, 15x110 Kabolt, 42mm offset |
| Rear Shock | Fox Float X2 |
Drivetrain
| Shifters | SRAM GX Eagle |
|---|---|
| Rear Derailleur | SRAM GX Eagle |
| Crankset | TruVativ Descendent 6k, DUB, 32t with MRP AMg V2 alloy guide |
| Bottom Bracket | SRAM DUB, press fit |
| Cassette | SRAM Eagle, 10x50 |
| Chain | SRAM GX Eagle |
Brakes
| Brakes | SRAM Code R |
|---|
Cockpit & Contact Points
| Handlebar | Giant Contact SL TR35, 800x35mm, 20mm rise |
|---|---|
| Stem | Giant Contact SL 35 |
| Saddle | Giant Contact SL (neutral) |
| Seatpost | Giant Contact Switch dropper post with remote, 30.9 |
Wheels & Tires
| Hubs | Giant TR-1 29 WheelSystem |
|---|---|
| Rims | Giant TR-1 29 WheelSystem |
| Spokes | Giant TR-1 29 WheelSystem |
| Front Tire | [F] Maxxis Minion DHF 29x2.5 WT, 3C MaxxTerra, , EXO+, TR [R] Maxxis Minion DHR II 29x2.4 WT, 3C MaxxTerra , EXO+, TR, tubeless |
| Rear Tire | [F] Maxxis Minion DHF 29x2.5 WT, 3C MaxxTerra, , EXO+, TR [R] Maxxis Minion DHR II 29x2.4 WT, 3C MaxxTerra , EXO+, TR, tubeless |
Geometry
Frame measurements by size.
Published frame view
Select an available measurement to locate it on the frame.
All geometry measurements4 sizes · 17 measurements
| Measurement | S | M | L | XL |
|---|---|---|---|---|
| Seat tube | 431 mm | 431 mm | 464 mm | 496 mm |
| Top tube | 573 mm | 600 mm | 640 mm | 665 mm |
| Head tube | 100 mm | 110 mm | 110 mm | 120 mm |
| Head-tube angle | 65° | 65° | 65° | 65° |
| Seat-tube angle | 76.8° | 76.8° | 76.8° | 76.8° |
| Chainstay / rear center | 439 mm | 439 mm | 439 mm | 439 mm |
| Wheelbase | 1188 mm | 1215 mm | 1258 mm | 1265 mm |
| Bottom-bracket drop | 30 mm | 30 mm | 30 mm | 30 mm |
| Reach | 428 mm | 455 mm | 493 mm | 516 mm |
| Stack | 619 mm | 619 mm | 628 mm | 637 mm |
| Standover height | 752 mm | 751 mm | 773 mm | 788 mm |
| Fork offset / rake | 44 mm | 44 mm | 44 mm | 44 mm |
| Trail | 128.9 mm | 128.9 mm | 128.9 mm | 128.9 mm |
| Crank length | 165 mm | 170 mm | 170 mm | 170 mm |
| Stem length | 40 mm | 40 mm | 40 mm | 50 mm |
| Handlebar width | 800 mm | 800 mm | 800 mm | 800 mm |
| Wheel size | 29" | 29" | 29" | 29" |
Measurements may vary by configuration, wheel size, or frame setting where noted in the published chart.
Gearing
Lower ratios provide more mechanical advantage for climbing. Higher ratios turn the rear wheel farther with each crank revolution.
Parts & serviceability
Find replacement parts

Maxxis Minion DHF 29in Tire Black, Dual Compound/EXO, 29x2.5
Dual Compound/EXO, 29x2.5
Replacement option · verify fit

Maxxis Minion DHR II Wide Trail 3C/EXO/TR 29in Tire Maxx Grip/3C/EXO, 29x2.4
29x2.4
Replacement option · verify fit

Goodyear Wrangler MTF 29in Tubeless Tire Black, 29x2.4
29x2.4
Replacement option · verify fit
Based on the original build. Confirm the model, size and fit before ordering; installed parts may differ. As an Amazon Associate I earn from qualifying purchases. Velopedia may also earn from qualifying eBay purchases. Velopedia may also earn from qualifying retailer purchases.
Bike-specific inspection checklist 23 checks based on 6 archived component groups Open checklistClose checklist
This checklist uses the archived equipment for this bike. It cannot confirm the condition, service history or later component changes of the example in front of you.
Identity and fit
Follow the full used-bike inspection order →Archived: 2020 Giant Reign Advanced Pro 29 1 · Mountain · Published sizes: S, M, L, XL
Frame and fork
Inspect the frame and fork →Archived: Frame: Advanced-Grade Composite front and rear triangles, 146mm · Fork: Fox 36 Float, GRIP2 damper, 15x110 Kabolt, 42mm offset
Suspension
Evaluate the suspension →Archived: Fork: Fox 36 Float, GRIP2 damper, 15x110 Kabolt, 42mm offset · Rear shock: Fox Float X2
Drivetrain
Check drivetrain wear →Archived: Shifters: SRAM GX Eagle · Rear derailleur: SRAM GX Eagle · Crankset: TruVativ Descendent 6k, DUB, 32t with MRP AMg V2 alloy guide · Bottom bracket: SRAM DUB, press fit · Cassette: SRAM Eagle, 10x50 · Chain: SRAM GX Eagle
Brakes
Inspect the brakes →Archived: Brakes: SRAM Code R
Wheels and tires
Check wheels and tires →Archived: Rims: Giant TR-1 29 WheelSystem · Hubs: Giant TR-1 29 WheelSystem · Front tire: [F] Maxxis Minion DHF 29x2.5 WT, 3C MaxxTerra, , EXO+, TR [R] Maxxis Minion DHR II 29x2.4 WT, 3C MaxxTerra , EXO+, TR, tubeless · Rear tire: [F] Maxxis Minion DHF 29x2.5 WT, 3C MaxxTerra, , EXO+, TR [R] Maxxis Minion DHR II 29x2.4 WT, 3C MaxxTerra , EXO+, TR, tubeless
Controls and contact points
Archived: Handlebar: Giant Contact SL TR35, 800x35mm, 20mm rise · Stem: Giant Contact SL 35 · Seatpost: Giant Contact Switch dropper post with remote, 30.9 · Saddle: Giant Contact SL (neutral)
Before and during the test ride
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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.



