Velopedia Bicycle Archive
2020 Giant Reign SX
Original specifications: geometry for 4 published sizes.
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At a glance
- Model year
- 2020
- Category
- Mountain
- Original MSRP
- $2,700.00
- Sizes
- S, M, L, XL
- Colors
- Gunmetal Black / Chameleon Plum
- Geometry
- 4 manufacturer sizes
- In this record
- 20 specifications · archived image · original MSRP · geometry
- Archive ID
- 900002573
Model history 3 other years
Original buildAluminum
Frameset
| Frame Construction | ALUXX SL-Grade Aluminum, 160mm |
|---|---|
| Frame Material | Aluminum |
| Fork | RockShox Yari RC DebonAir, 180mm, Boost 15x110 Maxle Stealth, tapered, 46mm offset |
| Rear Shock | RockShox Super Deluxe Coil Select |
Drivetrain
| Shifters | Shimano Acera |
|---|---|
| Rear Derailleur | Shimano Deore |
| Crankset | Praxis Cadet, 34t, Giant custom design with MRP CS guide |
| Bottom Bracket | Praxis BB-90, press fit |
| Cassette | Shimano HG400, 11x28 |
| Chain | KMC X9 |
Brakes
| Brakes | Shimano MT520 |
|---|
Cockpit & Contact Points
| Handlebar | Giant Contact SL TR35, 800x35mm, 20mm rise |
|---|---|
| Stem | Giant Contact SL 35 |
| Saddle | Giant Contact (neutral) |
| Seatpost | Giant Contact SL, zero offset, 30.9 |
Wheels & Tires
| Hubs | [F] Giant Tracker Performance Boost 15x110, sealed bearing [R] Giant Tracker Performance Boost 12x148, sealed bearing |
|---|---|
| Rims | Giant DH 27.5 tubeless ready sleeve-joint rim, 27mm inner width |
| Spokes | Sapim |
| Front Tire | [F] Maxxis Minion DHF 27.5x2.5 WT, folding , EXO, TR [R] Maxxis Minion DHRII 27.5x2.4 WT, folding, EXO, TR, tubeless |
| Rear Tire | [F] Maxxis Minion DHF 27.5x2.5 WT, folding , EXO, TR [R] Maxxis Minion DHRII 27.5x2.4 WT, folding, 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 | 380 mm | 431 mm | 464 mm | 496 mm |
| Top tube | 603 mm | 638 mm | 658 mm | 683 mm |
| Head tube | 95 mm | 95 mm | 115 mm | 125 mm |
| Head-tube angle | 64° | 64° | 64° | 64° |
| Seat-tube angle | 72° | 72° | 72° | 72° |
| Chainstay / rear center | 435 mm | 435 mm | 435 mm | 435 mm |
| Wheelbase | 1182 mm | 1217 mm | 1240 mm | 1267 mm |
| Bottom-bracket drop | 4 mm | 4 mm | 4 mm | 4 mm |
| Reach | 415 mm | 450 mm | 464 mm | 487 mm |
| Stack | 583 mm | 584 mm | 602 mm | 611 mm |
| Standover height | 701 mm | 719 mm | 745 mm | 764 mm |
| Fork offset / rake | 46 mm | 46 mm | 46 mm | 46 mm |
| Trail | 123 mm | 123 mm | 123 mm | 123 mm |
| Crank length | 170 mm | 175 mm | 175 mm | 175 mm |
| Stem length | 40 mm | 40 mm | 40 mm | 50 mm |
| Handlebar width | 800 mm | 800 mm | 800 mm | 800 mm |
| Wheel size | 27.5" | 27.5" | 27.5" | 27.5" |
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 Wide Trail Dual Compound/EXO/TR 27.5in Tire Dual Compound/EXO/TR, 27.5x2.5
27.5x2.5
Replacement option · verify fit
More parts (3)

Maxxis Minion DHR II Wide Trail Dual Compound/EXO/TR 27.5in Tire Tanwall/Dual Compound/EXO/TR, 27.5x2.4
27.5x2.4
Replacement option · verify fit

Specialized Trail Control Grid Lite T7 TLR Tire Black, 27.5x2.4
27.5x2.4
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 SX · Mountain · Published sizes: S, M, L, XL
Frame and fork
Inspect the frame and fork →Archived: Frame: ALUXX SL-Grade Aluminum, 160mm · Fork: RockShox Yari RC DebonAir, 180mm, Boost 15x110 Maxle Stealth, tapered, 46mm offset
Suspension
Evaluate the suspension →Archived: Fork: RockShox Yari RC DebonAir, 180mm, Boost 15x110 Maxle Stealth, tapered, 46mm offset · Rear shock: RockShox Super Deluxe Coil Select
Drivetrain
Check drivetrain wear →Archived: Shifters: Shimano Acera · Rear derailleur: Shimano Deore · Crankset: Praxis Cadet, 34t, Giant custom design with MRP CS guide · Bottom bracket: Praxis BB-90, press fit · Cassette: Shimano HG400, 11x28 · Chain: KMC X9
Brakes
Inspect the brakes →Archived: Brakes: Shimano MT520
Wheels and tires
Check wheels and tires →Archived: Rims: Giant DH 27.5 tubeless ready sleeve-joint rim, 27mm inner width · Hubs: [F] Giant Tracker Performance Boost 15x110, sealed bearing [R] Giant Tracker Performance Boost 12x148, sealed bearing · Front tire: [F] Maxxis Minion DHF 27.5x2.5 WT, folding , EXO, TR [R] Maxxis Minion DHRII 27.5x2.4 WT, folding, EXO, TR, tubeless · Rear tire: [F] Maxxis Minion DHF 27.5x2.5 WT, folding , EXO, TR [R] Maxxis Minion DHRII 27.5x2.4 WT, folding, EXO, TR, tubeless
Controls and contact points
Archived: Handlebar: Giant Contact SL TR35, 800x35mm, 20mm rise · Stem: Giant Contact SL 35 · Seatpost: Giant Contact SL, zero offset, 30.9 · Saddle: Giant Contact (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.





