The most comfortable gravel bike can also be fast. Enter Warbird C GRX 820 2x. Its carbon fiber frameset and gravel race geometry emphasize stability and endurance, while fatigue-fighting Class 5 VRS™ keeps you feeling fresh as you pile on the miles. Speaking of long rides, Warbird’s frame and fork cargo mounts let you carry your snacks, repair kit, extra layers, and more so you can worry less about resupply stops. And that Shimano GRX 820 2x12 groupset? It’s as good as mechanical shifting gets in the gravel world.
Frame
Warbird
Color
Tan
Fork
Waxwing Deluxe V2
Rear Shock
N/A
Headset
FSA NO.42/ACB
Seatpost
Salsa Guide, zero offset
Stem
Salsa Guide
Grips/Bar Tape
Anti-slip, shock-proof silicone tape
Saddle
WTB Gravelier Medium, Cromoly SL, 142 x 250mm
Handlebar
Salsa Cowbell
Front Derailleur
Shimano GRX RX820 SGS
Rear Derailleur
Shimano GRX RX820 SGS
Cassette
Shimano HG710, 11–36t, 12-speed
Chain
Shimano M6100
Crankset
Shimano GRX RX8200-2, 48–31t
Shifter
Shimano GRX RX820
Brake Levers
Shimano GRX RX820
Brake Calipers
Shimano GRX RX820
Bottom Bracket
Shimano RS500-PB
Rotors
Shimano RT54 (Center Lock, 160mm front and rear)
Front Tire
Teravail Cannonball 700c x 42mm, Durable casing, tubeless-ready
Rear Tire
Teravail Cannonball 700c x 42mm, Durable casing, tubeless-ready
Front Hub
Shimano TC500, 12 x 100mm
Rear Hub
Shimano TC500, 12 x 142mm
Spoke
2.0/1.8 gauge, black
Rim
WTB EZR i25, TCS 2.0, 28h, 700c (taped w/ WTB tubeless valve and sealant included)
Complete Bike
20 lb 12 oz for 56cm
*Specifications are subject to change without notice
| Size | 49cm | 52.5cm | 54.5cm | 56cm | 57.5cm | 59cm | 61cm |
|---|---|---|---|---|---|---|---|
| A. Effective Top Tube | 499.0 | 525.0 | 545.0 | 560.0 | 575.0 | 590.0 | 610.0 |
| B. Stand Over | 670.2 | 714.48 | 744.3 | 770.11 | 785.96 | 808.4 | 830.55 |
| C. Reach | 360.24 | 368.13 | 371.97 | 381.19 | 390.42 | 399.65 | 407.74 |
| D. Stack | 517.85 | 547.09 | 565.97 | 584.85 | 603.73 | 622.61 | 641.5 |
| E. Total Seat Tube Length | 390.0 | 440.0 | 475.0 | 510.0 | 520.0 | 545.0 | 570.0 |
| F. Headtube Length | 90.0 | 120.0 | 140.0 | 160.0 | 180.0 | 200.0 | 220.0 |
| G. Headtube Angle |
71.0
|
70.75
|
70.75
|
70.75
|
70.75
|
70.75
|
70.75
|
| H. Seat Tube Angle |
75.0
|
74.0
|
73.0
|
73.0
|
73.0
|
73.0
|
72.5
|
| I. BB Drop | 70.0 | 70.0 | 70.0 | 70.0 | 70.0 | 70.0 | 70.0 |
| J. BB Height | 279.0 | 279.0 | 279.0 | 279.0 | 279.0 | 279.0 | 279.0 |
| K. Chainstay Length | 430.0 | 430.0 | 430.0 | 430.0 | 430.0 | 430.0 | 430.0 |
| L. Fork Length Axle to Crown | 405.0 | 405.0 | 405.0 | 405.0 | 405.0 | 405.0 | 405.0 |
| M. Fork Offset | 50.0 | 50.0 | 50.0 | 50.0 | 50.0 | 50.0 | 50.0 |
| N. Wheelbase | 996.14 | 1011.96 | 1022.39 | 1038.21 | 1054.03 | 1069.85 | 1084.54 |
| Crank Arm Length | 165.0 | 170.0 | 170.0 | 172.5 | 172.5 | 175.0 | 175.0 |
| Handlebar Width | 380.0 | 400.0 | 420.0 | 440.0 | 460.0 | 460.0 | 460.0 |
| Recommended Rider Height | 14.0 - 157.0 | 155.0 - 165.0 | 162.0 - 173.0 | 170.0 - 180.0 | 178.0 - 188.0 | 185.0 - 193.0 | 190.0 |
| Stem Length | 60.0 | 70.0 | 80.0 | 90.0 | 90.0 | 100.0 | 110.0 |
