2020 Horsethief SX Eagle - Dark Gray

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40.00 LBS
55.00 (in)
9.00 (in)
31.00 (in)
Current Stock:

The definition of "mountain biking" covers a lot more terrain than it used to. Fortunately, the Horsethief is designed and built for most of that terrain. Our all-around 29" trail bike encourages you to tackle the technical features or roll the fun and flowy sections from dawn to dusk with the stability of trail geometry and 120mm of Split Pivot® rear suspension with a 140mm fork. Horsethief features the ability to run 29" or 27.5 plus tires and a flip chip for fine-tuning headtube angle and bottom bracket height. The 12-speed SRAM SX drivetrain and 6066-T6 aluminum frame make for an efficient and trouble-free ride on just about any trail you put it up against.


  1. Split Pivot® Rear Suspension System

    Split Pivot® provides a host of impressive suspension characteristics because the system isolates pedaling forces and braking forces from each other, allowing us to tune and optimize the bike for both independently. The concentric rear axle pivot, in conjunction with precise wheel link, brake link, and control link placement, results in: Excellent bump compliance Incredible pedaling efficiency Smooth and predictable braking throughout travel Maximum traction

  2. Split Pivot® Design Improvements

    This iteration of Split Pivot® brings with it a host of refinements and improvements: Redesigned leverage rates Improved braking performance Improved pedaling performance Metric shocks standard Flip Chip adjustability

  3. Redesigned Leverage Rates

    The leverage rate has been revised to offer more progression and improved bottom out performance at the end of the stroke, promoting more confidence and control on bigger hIt's and a deeper feel to the total travel. The beginning and mid-stroke remain relatively unchanged, providing extremely supple small bump compliance off the top for a smooth ride and consistent mid-travel support to help combat rider fatigue and maintain bike geometry. A slightly lower overall rate yields lower shock pressures making for easier and quicker initial setup.

  4. Improved Braking Performance

    The Split Pivot® suspension design allows us to isolate braking forces from the rest of the system. Braking effect on suspension is minimal and is now more consistent throughout the suspension travel.

  5. Improved Pedaling Performance

    Revised anti-squat design leads to better pedaling performance. This improved anti squat is partly the result of designing the bike to be 1x specific and optimized around a 32-tooth chainring. The riding result is incredibly efficient pedaling without the need to over dampen the rear shock (thereby hindering small bump compliance) or necessitating the use of a lockout.

  6. Metric Shock Standard

    This shock standard brings a host of benefIt's: Increased stiffness in rear triangle/rear suspension frame members Able to be fine-tuned for improved ride quality and personal preference

  7. Flip Chip

    Integrated into the shock link mount, the Flip Chip allows simple, quick adjustments to bottom bracket height/headtube angle to account for wheel size, tire diameter, terrain, or the riders personal preference.

  8. 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.

  9. 29er Trail Bike Suspension Travel

    120mm rear Split Pivot® travel 140mm front travel

  10. RockShox Recon RL 140mm Fork

    Proven RockShox performance from the Motion Control™ damper.

  11. RockShox Deluxe RT Shock

    Super supple with increased reactivity, plus easily tune-able.

  12. Horsethief Geometry

    Horsethief is designed as an incredibly versatile 29er trail bike with the capabilities to take on a wide range of trails. A highly adaptable machine, Horsethief sports the geometry and suspension travel to suit everything from weeknight hot laps to weekend XC racing to extended destination trail riding vacations. The 67-degree headtube angle, 432mm chainstays, and overall wheelbase length combine to promote confident descending while retaining slow speed maneuverability. spec'd as a 29er, Horsethief is also capable of running 27.5 x 2.8-3.0" wheels/tires. The built-in Flip Chip can be used to adjust headtube angle/bottom bracket height based on tire/wheel size, terrain, or personal preference. The low top tube and dropper post contribute to the bikes descending prowess, and amazingly all sizes of Horsethief can fit two full-size water bottles inside the front triangle.

  13. Modern Trail Bike Fit

    Horsethief is designed for a modern trail bike fit. This means a short stem, wide bar, and longer effective top tube are used to place the rider in the same position they are familiar with on their older trail bike. This results in a more precise steering motion due to the shorter stem, a lot of front wheel control with the wide bar, and plenty of front-center length and cockpit room for fore-aft body movement when things get rowdy. We've also done our best to provide a low top tube for on-trail body language shifts. Each frame size is designed around a 50mm stem and wide bar. To maintain the correct hand position relative to the pedals and saddle, the Horsethief has a longer horizontal top tube. No need to size up when selecting a frame size with the intent of running 40 to 60mm stems. We built it in for you.

  14. Versatile Tire Fit

    Horsethief is spec'd with a 29 x 2.5" front wheel/tire and 29 x 2.4" rear wheel/tires, but also fIt's: 29 x 2.2" to 2.6" 27.5 x 2.8" to 3.0"

  15. Slung Low Top Tube Design

    Horsethief features a low top tube for fantastic standover, emergency dabbing, and more confident descending.

  16. Top Tube Accessory Mounts

    Bolt on your Salsa EXP Series Toptube Bag for secure connection and elimination of strap wear.

  17. Two Full-Size Bottle Compatible

    All sizes of Horsethief accept 2 full-size (26 oz) water bottles within the front triangle.

  18. Full-Length Internal Housing Cable Routing

    Full-length housing improves shifting performance in poor conditions and increases use time between maintenance intervals.

  19. Dropper Post Stealth Routing Compatible

    Compatible with 30.9mm dropper seatposts for true trail bike performance.

  20. Replaceable Derailleur Hanger

    Extra hanger sold separately, Salsa Split Pivot® Top Cap Dropout Tool included with frame for field changes without the need to carry a 22mm cone wrench.

  21. Replaceable Sealed Cartridge Bearings

    17287-2RS (qty 4), 6801-2RS (qty 6)

Build Kit

FrameHorsethief Aluminum
ForkRockshox Recon RL 140 mm, 42 mm Offset
Rear ShockRockShox Deluxe RT

Front DerN/A
Rear DerSram SX Eagle
CassetteSram PG1210 11-50t 12-speed
ChainSram SX Eagle
CranksetTruvativ Descendent 7k 32t
ShifterSram SX Eagle
Brakes & RotorsShimano MT401, 180 mm rotors

HeadsetFSA Orbit IS-2
StemSalsa Guide Trail
HandlebarSalsa Rustler (MD, LG, XL), Salt Flat (SM)
GripsSalsa File Tread Lock On
SeatpostTranzX YSP15JL, Travel: SM = 100 mm, MD, LG, XL=125 mm
SaddleWTB Volt Sport

Front WheelWTB Serra Hub 110 x 15 mm, WTB ST i29 TCS 2.0 29" Tubeless Ready
Rear WheelWTB Serra Hub 157 x 12 mm, WTB ST i29 TCS 2.0 29" Tubeless Ready
TiresMaxxis Minion DHF 29 x 2.5" Front, DHR II 29 x 2.4" Rear, 60 tpi/EXO/Tubeless Ready

Complete Bike WeightTBD

Stem Length50mm50mm50mm50mm
Crank Length170mm170mm175mm175mm
Handlebar Width750mm800mm800mm800mm
Seatpost Offset0mm0mm0mm0mm


Click for Geometry Chart

Tire Size Range* for 622/29 Wheels:
56-66mm (2.2-2.6") "
Tire Size Range* 584/27.5 Wheels:
70-76mm (2.8-3.0") "
Tire Size Range* 559/26:
Not Compatible "
Maximum Wheel/Tire Diameter**:
ø754mm (29.7) "
Minimum Wheel/Tire Diameter***:
ø728mm (28.5) "
Suspension Fork Length (Travel):
531-551mm (120-140mm)
Fork Offset:
Rear Shock Size:
190 x 45mm
Shock Mount, Fore:
ø8 x 40mm
Shock Mount, Aft:
ø8 x 12.5mm (included)
Pivot Kit(s):
See Split Pivot Service Kit Instructions 2019+
17287 (qty 4), 6801 (qty 6)
Headset, Upper:
Headset, Lower:
Seat Collar:
Dropper Compatible (Routing):
Yes, internal/stealth
Bottom Bracket:
73mm BSA, threaded
Crankset (Max Ring):
Super Boost 157 55-57mm chainline only 1x: 32t max
Rear Brake (Rotor):
74mm post (ø160-180mm)
Rear Spacing:
157 x 12mm thru-axle
Rear Axle Size:
ø12 x 197mm, TP = 1.75, TL = 20
Derailleur Hanger:
F/T Bottle Mounts:
Accessory Mounts:
Top tube bag mounts
Shipping dimensions:
55 x 9 x 31
Shipping Weight:
40 lbs