Warbird C GRX 820 Gravel Road Bike
Every bike is fully assembled, tuned, and test-ridden before pickup at your chosen DFW Bike Mart location.
Expected ship date: {date+3}
Professionally built and test-ridden before it ships. Arrives mostly assembled with just minimal setup needed. See Reassembly Instructions
Delivered fully assembled and tuned by Bike Mart - ready to ride right at your doorstep within 10 miles of any DFW location.
Complete your Ride
What is the Bike Mart Return policy?
What is the Bike Mart Return policy?
Bike Mart offers a 14-day return and 30-day exchange policy in effect on qualifying items. Restocking fee may apply for "At Warehouse" Items. Read More
What Financing options does Bike Mart offer?
What Financing options does Bike Mart offer?
Financing is easier than ever at Bike Mart. With Synchrony Financial, you can choose:
- 0% APR for 6 months — on orders under $999
- 0% APR for 12 months — on orders of $1,000 or more
We also support HSA/FSA Funds with TrueMed, Shop Pay Installments and PayPal Financing.
Ship
Get your bike or equipment delivered to your home directly from Bike Mart via our FedEx or USPS Carrier partners. Adult signature is required for all bike deliveries and for equipment & gear deliveries over $500.
For orders that include a bike, it will be professionally pre-built and shipped to your home with minimal assembly needed. While we try to make it as easy as possible, basic mechanical skills and proper tools are required.
If you decide to take your bike to a local bike shop for assembly, additional fees will apply.
Pickup
We’ve made it easier than ever to get the gear and bikes you love—fast. With our Buy Online, Pick Up In Store (BOPIS) option, you can shop online and pick up your items at your convenience from any of our six DFW locations.
The best part about picking up at a Bike Mart location is that you get the same high quality service with the convenience of having the exact bike or part.
Bikes / Car Racks will be assembled and installed at no extra charge and might require additional processing time for assembly.
Delivery
When you select "Home Delivery" at checkout. Your bike will be professionally assembled and the closest Bike Mart store will call you to schedule the delivery.
We offer home delivery for bike purchases only within 10 miles of a Bike Mart location. Contact us if you live beyond 10 miles and we can discuss more options. Additional fees may apply.
In stock bikes will be delivered within 7 days. Warehouse bikes will delivered within 14 days*.
Bike Key Features
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On-Bike Storage
Adventures require gear and riders should get to choose whether they carry it on their bike or on their body
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Class 5 VRS
Comfort equates to speed and distance over rough terrain Rider benefit is inherent to the design
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Frame Protection
Our products are built from experience — we’ve been there enough to know that a carbon fork can benefit from added protection just as much as the downtube on a suspension bike.
Overview
Overview
Warbird C GRX 820 is designed around the idea that the most comfortable gravel bike is the fastest one. Its carbon frameset, gravel race geometry, and our Class 5™ VRS (vibration reduction system) soak up rocks, ruts, washboard, and more to decrease fatigue as the miles stack up. Cargo mounts on the frame and fork extend how far you can ride without resupply. Shimano GRX 820 components round it all out with a refined ride experience that will never let you down. Go forth in speed and comfort with Warbird.
Technical Specifications
Technical Specifications
| Frame | Warbird Carbon |
| Color | Burnt Orange |
| Fork | Waxwing |
| Rear shock | N/A |
| Headset | FSA NO.42/ACB |
| Seatpost | Salsa Guide |
| Stem | Salsa Guide |
| Grips/bar tape | Velo anti-slip, shock-proof silicone tape |
| Saddle | WTB SL8 Medium Steel SL |
| Handlebar | Salsa Cowbell |
| Front derailleur | Shimano GRX RX820 |
| Rear derailleur | Shimano GRX RX820 |
| Cassette | Shimano HG710, 11–36t, 12-speed |
| Chain | Shimano M6100 |
| Crankset | Shimano GRX RX820, 48/31t (GRX RX610, 46/30t on size 49) |
| Shifter | Shimano GRX RX820 |
| Brake calipers | Shimano GRX RX820 |
| Rotors | Shimano RT54 (Center Lock, 160mm) |
| Front wheel | Shimano RS470 12 x 100mm hub, WTB EZR i23 TCS 2.0 700c rim, 28h (taped for tubeless, WTB tubeless valve included) |
| Rear wheel | Shimano RS470 12 x 142mm hub, WTB EZR i23 TCS 2.0 700c rim, 28h (taped for tubeless, WTB tubeless valve included) |
| Front tire | Teravail Cannonball 700c x 42mm, Durable casing, tubeless-ready |
| Rear tire | Teravail Cannonball 700c x 42mm, Durable casing, tubeless-ready |
| Complete bike | 21 lb, 2 oz (56cm frame) |
Parts are subject to change without notice. Chat with us if you have any questions.
Geometry
Geometry
All measurements provided in mm unless otherwise noted; head tube angles are in degrees. Measurements based on: A Warbird Carbon Fork which is 405 x 50mm offset A 700c x 32mm tire measuring 698mm in diameter Standover for all sizes is measured vertically to top of toptube from a position 50mm forward of BB center
| Frame size | 49cm | 52.5cm | 54.5cm | 56cm | 57.5cm | 59cm | 61cm |
| A. Effective Top Tube (mm) | 499.0 mm | 525.0 mm | 545.0 mm | 560.0 mm | 575.0 mm | 590.0 mm | 610.0 mm |
| B. Stand Over (mm) | 670.2 mm | 714.48 mm | 744.3 mm | 770.11 mm | 785.96 mm | 808.4 mm | 830.55 mm |
| C. Reach (mm) | 360.24 mm | 368.13 mm | 371.97 mm | 381.19 mm | 390.42 mm | 399.65 mm | 407.74 mm |
| D. Stack (mm) | 517.85 mm | 547.09 mm | 565.97 mm | 584.85 mm | 603.73 mm | 622.61 mm | 641.5 mm |
| E. Total Seat Tube Length (mm) | 390.0 mm | 440.0 mm | 475.0 mm | 510.0 mm | 520.0 mm | 545.0 mm | 570.0 mm |
| F. Headtube Length (mm) | 90.0 mm | 120.0 mm | 140.0 mm | 160.0 mm | 180.0 mm | 200.0 mm | 220.0 mm |
| G. Headtube Angle (degrees) | 71.0 | 70.75 | 70.75 | 70.75 | 70.75 | 70.75 | 70.75 |
| H. Seat Tube Angle (degrees) | 75.0 | 74.0 | 73.0 | 73.0 | 73.0 | 73.0 | 72.5 |
| I. BB Drop (mm) | 70.0 mm | 70.0 mm | 70.0 mm | 70.0 mm | 70.0 mm | 70.0 mm | 70.0 mm |
| J. BB Height (mm) | 279.0 mm | 279.0 mm | 279.0 mm | 279.0 mm | 279.0 mm | 279.0 mm | 279.0 mm |
| K. Chainstay Length (mm) | 430.0 mm | 430.0 mm | 430.0 mm | 430.0 mm | 430.0 mm | 430.0 mm | 430.0 mm |
| L. Fork Length Axle to Crown (mm) | 405.0 mm | 405.0 mm | 405.0 mm | 405.0 mm | 405.0 mm | 405.0 mm | 405.0 mm |
| M. Fork Offset (mm) | 50.0 mm | 50.0 mm | 50.0 mm | 50.0 mm | 50.0 mm | 50.0 mm | 50.0 mm |
| N. Wheelbase (mm) | 996.14 mm | 1011.96 mm | 1022.39 mm | 1038.21 mm | 1054.03 mm | 1069.85 mm | 1084.54 mm |
| Crank Arm Length (mm) | 165.0 mm | 170.0 mm | 170.0 mm | 172.5 mm | 172.5 mm | 175.0 mm | 175.0 mm |
| Handlebar Width (cm) | 38.0 cm | 30.0 cm | 42.0 cm | 44.0 cm | 46.0 cm | 46.0 cm | 46.0 cm |
| Recommended Rider Height (cm) | 142.0 cm - 157.0 cm | 155.0 cm - 165.0 cm | 162.0 cm - 173.0 cm | 170.0 cm - 180.0 cm | 178.0 cm - 188.0 cm | 185.0 cm - 93.0 cm | 190.0 cm |
| Stem Length (mm) | 70.0 mm | 70.0 mm | 80.0 mm | 90.0 mm | 90.0 mm | 100.0 mm | 110.0 mm |
This Geometry Chart is provided by the Manufactuer. Chat with us if you have any questions.
Why Shop at Bike Mart?
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Live Chat with Real People
Get instant advice and answers from our team of cycling experts through our online chat feature or over the phone.
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Community-Focused
We have donated over a million dollars to support our communities through charity rides, bike rallies and advocacy for more bikeable trails in Texas.
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Professional, Quality Assembly
Our bikes are expertly assembled and inspected by Bike Mart’s professionally trained staff. They ensure proper adjustments, tighten and true wheels, and get your bike ready to ride.
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Our Legacy of Excellence
With 62 years of retail experience, Bike Mart brings unparalleled expertise and dedication to serving you.
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10% off accessories with new bike purchase
Receive 10% off all accessories purchased with a new bike.
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Hassle-Free Returns
Easily initiate returns for online orders with our straightforward return policy to shop with confidence.
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Locally Owned & Operated
A family of cyclists who live and ride in your community—feel right at home.
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Free accessory installation with new bike purchase
Let our experts install your accessories at no extra cost, ensuring everything fits perfectly and is ready for your ride!
