Velopedia Bicycle Archive
2025 Salsa Warbird C GRX 820 2x
Original specifications: 700C; 32"; 650B wheels · 20 lb 12 oz for 56cm published weight · geometry for 7 published sizes.
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At a glance
- Model year
- 2025
- Category
- Gravel & Cyclocross
- Original MSRP
- $4,299.00
- Sizes
- 49cm, 52.5cm, 54.5cm, 56cm, 57.5cm, 59cm, 61cm
- Colors
- Tan
- Weight
- 20 lb 12 oz for 56cm
- Geometry
- 7 manufacturer sizes
- In this record
- 23 specifications · 3 archived images · original MSRP · geometry
- Archive ID
- 900000642
Original buildCarbon Fiber · 700C; 32"; 650B
Frameset
| Frame Construction | Carbon |
|---|---|
| Frame Material | Carbon Fiber |
| Fork | Carbon |
| Fork Material | Carbon Fiber |
Drivetrain
| Shifters | Shimano GRX RX820 |
|---|---|
| Front Derailleur | Shimano GRX RX820 SGS |
| Rear Derailleur | Shimano GRX RX820 SGS |
| Crankset | Shimano GRX RX8200-2, 48–31t |
| Bottom Bracket | Shimano RS500-PB |
| Cassette | Shimano HG710, 11–36t, 12-speed |
| Chain | Shimano M6100 |
Brakes
| Brakes | Brake Calipers: Shimano GRX RX820; Brake Levers: Shimano GRX RX820; Rotors: Shimano RT54 (Center Lock, 160mm front and rear) |
|---|
Cockpit & Contact Points
| Headset | FSA no.42/ACB |
|---|---|
| Handlebar | Salsa Cowbell |
| Stem | Salsa Guide |
| Saddle | WTB Gravelier Medium, Cromoly SL, 142 x 250mm |
| Seatpost | Salsa Guide, zero offset |
Wheels & Tires
| Hubs | (F) Shimano TC500, 12 x 100mm / (R) Shimano TC500, 12 x 142mm |
|---|---|
| Rims | WTB EZR i25, TCS 2.0, 28h, 700c (taped w/ WTB tubeless valve and sealant included) |
| Spokes | 2.0/1.8 gauge, black |
| Front Tire | Teravail Cannonball 700c x 42mm, Durable casing, tubeless-ready |
| Rear Tire | Teravail Cannonball 700c x 42mm, Durable casing, tubeless-ready |
| Wheel Size | 700C; 32"; 650B |
Geometry
Frame measurements by size.
Published frame view
Select an available measurement to locate it on the frame.
All geometry measurements7 sizes · 16 measurements
| Measurement | 49cm | 52.5cm | 54.5cm | 56cm | 57.5cm | 59cm | 61cm |
|---|---|---|---|---|---|---|---|
| Seat tube | 390 mm | 440 mm | 475 mm | 510 mm | 520 mm | 545 mm | 570 mm |
| Effective top tube | 499 mm | 525 mm | 545 mm | 560 mm | 575 mm | 590 mm | 610 mm |
| Head tube | 90 mm | 120 mm | 140 mm | 160 mm | 180 mm | 200 mm | 220 mm |
| Head-tube angle | 71° | 70.75° | 70.75° | 70.75° | 70.75° | 70.75° | 70.75° |
| Seat-tube angle | 75° | 74° | 73° | 73° | 73° | 73° | 72.5° |
| Chainstay / rear center | 430 mm | 430 mm | 430 mm | 430 mm | 430 mm | 430 mm | 430 mm |
| Wheelbase | 996.14 mm | 1011.96 mm | 1022.39 mm | 1038.21 mm | 1054.03 mm | 1069.85 mm | 1084.54 mm |
| Bottom-bracket drop | 70 mm | 70 mm | 70 mm | 70 mm | 70 mm | 70 mm | 70 mm |
| Bottom-bracket height | 279 mm | 279 mm | 279 mm | 279 mm | 279 mm | 279 mm | 279 mm |
| Reach | 360.24 mm | 368.13 mm | 371.97 mm | 381.19 mm | 390.42 mm | 399.65 mm | 407.74 mm |
| Stack | 517.85 mm | 547.09 mm | 565.97 mm | 584.85 mm | 603.73 mm | 622.61 mm | 641.5 mm |
| Standover height | 670.2 mm | 714.48 mm | 744.3 mm | 770.11 mm | 785.96 mm | 808.4 mm | 830.55 mm |
| Fork offset / rake | 50 mm | 50 mm | 50 mm | 50 mm | 50 mm | 50 mm | 50 mm |
| Fork length / axle-to-crown | 405 mm | 405 mm | 405 mm | 405 mm | 405 mm | 405 mm | 405 mm |
| Crank length | 165 mm | 170 mm | 170 mm | 172.5 mm | 172.5 mm | 175 mm | 175 mm |
| Stem length | 60 mm | 70 mm | 80 mm | 90 mm | 90 mm | 100 mm | 110 mm |
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

Shimano Deore CN-M6100 Chain Silver, 12 Speed, 126 Links
12 Speed, 126 Links

Shimano 105 CS-HG710 12-Speed Cassette Silver, 11-36T, 12-Speed
11-36T, 12-Speed
More parts (6)

WTB Gravelier Cromoly Saddle Black/Black, Medium
Medium

Shimano GRX FC-RX810 Crankset Black, 170mm, 31/48
170mm, 31/48

Shimano GRX RX822 12-Speed Rear Derailleur Black, GS, 1x12-Speed
GS, 1x12-Speed
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 20 checks based on 5 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: 2025 Salsa Warbird C GRX 820 2x · Cyclocross/Gravel · Published sizes: 49cm, 52.5cm, 54.5cm, 56cm, 57.5cm, 59cm, 61cm
Frame and fork
Inspect the frame and fork →Archived: Frame: Carbon · Fork: Carbon · Carbon Fiber
Drivetrain
Check drivetrain wear →Archived: Shifters: Shimano GRX RX820 · Front derailleur: Shimano GRX RX820 SGS · Rear derailleur: Shimano GRX RX820 SGS · Crankset: Shimano GRX RX8200-2, 48–31t · Bottom bracket: Shimano RS500-PB · Cassette: Shimano HG710, 11–36t, 12-speed · Chain: Shimano M6100
Brakes
Inspect the brakes →Archived: Brakes: Brake Calipers: Shimano GRX RX820; Brake Levers: Shimano GRX RX820; Rotors: Shimano RT54 (Center Lock, 160mm front and rear)
Wheels and tires
Check wheels and tires →Archived: Wheel size: 700C; 32"; 650B · Rims: WTB EZR i25, TCS 2.0, 28h, 700c (taped w/ WTB tubeless valve and sealant included) · Hubs: (F) Shimano TC500, 12 x 100mm / (R) Shimano TC500, 12 x 142mm · Front tire: Teravail Cannonball 700c x 42mm, Durable casing, tubeless-ready · Rear tire: Teravail Cannonball 700c x 42mm, Durable casing, tubeless-ready
Controls and contact points
Archived: Headset: FSA NO.42/ACB · Handlebar: Salsa Cowbell · Stem: Salsa Guide · Seatpost: Salsa Guide, zero offset · Saddle: WTB Gravelier Medium, Cromoly SL, 142 x 250mm
Before and during the test ride
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Gallery3 images
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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.



