2018 Blackborow GX Eagle
2018 Blackborow GX Eagle
Blackborow is our “dream big” cargo fat bike, best paired with an unlimited imagination. With huge carrying capacity via abundant frame and fork braze-ons, and room for four full-sized panniers on the beautifully engineered rear rack, your “it sure would be awesome to…” list of expeditions is more feasible than ever.
This is an archived bike model. Explore the current range of Salsa bikes here.
Warning for Residents of California
Warning for Residents of California
⚠️ WARNING: This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
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Product Details
Build Kit
- Frame: Blackborow
- Fork: Salsa Bearpaw Carbon
- Color: Gunmetal
- Rear Shock: N/A
- Front Der: N/A
- Rear Der: SRAM GX Eagle
- Cassette: SRAM XG-1275 Eagle 10-50t
- Chain: SRAM GX Eagle 12-speed
- Crankset: SRAM GX Eagle
- Shifter: SRAM GX Eagle
- Brakes & Rotors: Hayes MX Comp, 180mm
- Headset: Cane Creek 40
- Stem: Salsa Guide Trail
- Handlebar: Salsa Salt Flat
- Grips: Salsa File Tread
- Seatpost: Promax 31.6 x 350/400mm
- Saddle: WTB Volt Sport
- Front Wheel: SUNringlé Mulefüt 27.5" x 80mm, 150 x 15mm
- Rear Wheel: SUNringlé Mulefüt 27.5" x 80mm, 197 x 12mm
- Tires: Maxxis Minion FBF front and FBR rear, 27.5 x 3.8", 60 tpi, TR
- Complete Bike Weight: 37 lb, 14 oz for size LG
Frame Specs
- Design Wheel/ Tire Size: 26 x 3.8–4.33" on up to 100mm rim
- Alternate Wheel/ Tire Sizes: 27.5 x 3.0–3.8", 29 x 2.3–3.0"
- Rigid Fork Length: 483–486mm
- Suspension Fork Length (Travel): 501–511mm (100mm)
- Fork Offset: 50–51mm
- Headset-Upper: ZS44
- Headset-Lower: ZS56
- Seatpost: 31.6mm
- Seat Collar: 35.0mm
- Dropper Compatible: Yes, internal S/T and D/T
- Front Derailleur Type: Compact 2x, top-pull only
- Front Derailleur Mount: High direct-mount (55mm offset); FS1325
- Bottom Bracket: 100mm BSA, threaded
- Crankset: Fat bike
- Rear Brake: 76mm chainline only, 1x and 2x compatible, 36t max ring
- Rear Spacing: 51mm standard (140–180mm)
- Rear Thru-Axle: 197 x 12mm thru-axle
- Derailleur Hanger: 12 x 229L, TP = 1.5, TL = 20
- Bottle Mounts: FS2339
- Accessory Mounts: 3 per frameset (S/T front, S/T back, D/T)
- Kickstand Plate: 2 per frame (D/T bottom side, T/T top side)
- Rear Rack Mounts: Yes, (KI5005 recommended, direct mount w/short bolt only, no clamp)
- Rear Fender Mounts: Yes, Blackborow rack included
Geometry
| SM | MD | LG | |
|---|---|---|---|
| Top Tube Effective Metric | 580 | 610 | 640 |
| Seat Tube Length Metric | 457 | 457 | 508 |
| Head Tube Length Metric | 110 | 120 | 130 |
| Head Tube Angle | 69 | 69 | 69 |
| Seat Tube Angle | 73 | 73 | 73 |
| BB Drop Metric | 60 | 60 | 60 |
| Chainstay Length Metric | 650 | 650 | 650 |
| Fork Length Metric | 483 | 483 | 483 |
| Fork Offset Metric | 51 | 51 | 51 |
| Wheelbase Metric | 1305.6 | 1336.4 | 1367.1 |
| Stack Metric | 599.1 | 608.4 | 617.7 |
| Reach Metric | 396.8 | 424 | 451.1 |
| Standover Metric | 704 | 737 | 763 |
| Rider Height Metric | 168–175cm | 175–183cm | 183–190cm |
| BB Center to Center Metric | |||
| Stem Length | 70 | 70 | 70 |
| Crank Length | 170 | 175 | 175 |
| Handlebar Width | 750mm | 800mm | 800mm |
- A Salsa Bearpaw 150 fork which is equivalent to an average 100mm fat bike suspension fork at 25% sag
- A 26 x 4.33" tire measuring 746mm in diameter
- Standover (P) is measured from vertically from the ground to top of toptube, 50mm forward of the BB center
Supportive Documents
Additional Features
6066-T6 Aluminum Tubeset
Top-shelf, double and triple-butted, heat-treated 6066-T6 aluminum tubing is used throughout the frame. This 6000-series aluminum has better strength and fatigue characteristics than 6061 and 7000-series aluminums, allowing for a stronger and lighter overall frame. Additionally, the tubing is strategically shaped and formed for additional stiffness and strength optimization in key stress areas
Trail-Oriented Cargo Bike
Blackborow is a cargo bike rooted in the same established fat bike geometry as our Mukluk and Beargrease models. The front end is compatible with all our rigid fat bike forks and also fat-specific suspension forks. The ability to run multiple wheel and tire sizes allows you to customize the target experience and fine tune the ride height as needed. The mid-length chainstays and a custom rack that can handle four full-size panniers or countless custom systems are what set Blackborow apart. When Blackborow is sensibly loaded (see our packing guidelines here), the bike still feels well balanced, and is a pleasure to ride on winding trails compared to other long-tail cargo bikes. Blackborow is all about new possibilities, and owners will find themselves able to merge an array of other interests into their two-wheeled adventures.
Framepack & Bag Options
Salsa EXP Series framepacks, toptube bags, and the Anything Cradle fit the Blackborow straight away. Our Anything Cage and Anything Cage HD can be used on the Bearpaw Carbon fork. Most standard panniers fit the rear rack, and custom bags can also be made for the Stowaway area behind the seat tube.
Bearpaw Carbon Fork
Features a 150mm thru-axle that boosts stiffness and improves steering precision. The fork also features our Three-Pack mounts for mounting Anything Cages or water bottle cages
Rear Rack Included
Designed to carry four (4) rear bicycle panniers, and particularly suited to carrying large volume, lightweight loads like winter-weight sleeping systems, winter clothing, fishing gear, and extra food. Most common panniers can be mounted. Rear rack capacity = 50kg (110 lb) This is the cumulative weight of all gear, water, food, and the bag/ pannier/containers it is housed in, that is attached to the rear rack
Multiple Bottle Cages & Accessory Mounts
Three bottle mounts per frame (S/T front, S/T back, D/T), and two accessory mounts per frame (D/T bottom side, T/T top side)
Front Fork Wheel & Tire Options
The fork included with this frame works with the following wheel and tire combinations: 26 x 3.8–4.8" on up to a 100mm rim / 29 x 2.25–3.0" / 27.5 x 3.0–4.0"
Rear Wheel & Tire Options
Compatible with 26 x 3.8–4.33" tires on up to 100 mm rim, 27.5 x 3.25–4.0", or 29 x 2.3–3.0"
1x and 2x Drivetrain Compatible
This frame is compatible with both 1x and 2x drivetrain setups. A removable direct-mount front derailleur bracket allows for clean 1x build
197 x 12mm Symmetrical Rear Spacing
Results in a strong rear wheel and frame; maintains proper chainline with crankset
Dropper Post Compatible
Frame accommodates internal routing for a dropper post
Warranty Information
All Salsa products are warranted against manufacturing defects in materials and workmanship from the date of retail purchase of the product, subject to the limitations detailed below.




