Salsa  Horsethief Deore 12 Mountain Bike

Color: Dark Gray
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One ride to rule trails both local and far-flung, the Salsa Horsethief Deore 12 mountain bike is capable of pushing through technical terrain and confidence-inspiring on aggressive pushes.

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  • Aluminum frame with Split Pivot suspension design offers 120 mm of efficient travel and remains fully active under braking while supportive throughout its travel
  • Suspension fork provides 140 mm of travel
  • 67° head tube angle inspires confidence on the descent, yet balances overall wheelbase length and slow-speed maneuverability
  • Rear Flip Chip adjusts the head tube angle and bottom bracket height for terrain, wheel size and personal preference
  • Super Boost 12 x 157 mm rear hub spacing combined with a standard width bottom bracket results in a 432 mm chainstay length that is 5 mm shorter than previous generations
  • Triangle fits 2 full-size water bottles; Anything Bracket and top tube mounts boost cargo space for pack-free riding bliss
  • Equipped with 29 in. wheels with a 2.5 in. tire up front and 2.4 in. tire in back; accommodates 27.5 in. wheels with 2.8–3 in. tires or 29 in wheels with 2.2–2.6 in. tires
  • Pedals not included
  • Specs and images are subject to change


This bike comes with Coast to Coast Support, which includes:
  • 1 year of free adjustments (see more below)
  • In-store bike assembly
  • Pickup in store or curbside
  • Bike experts available at 170+ bike shops
REI Co-op Members get more:
  • 20% off shop services
  • Free tubes with purchase of flat tire repair (Co-op Cycles brand tubes only; tube must be installed at time of purchase)
More about our free adjustments:
New bikes go through a normal break-in period, after which they should be readjusted. All bicycles sold at REI include free adjustments for one year after purchase date—as many times as you need. Included: derailleur and brake adjustments, lateral wheel truing, hub and headset bearing adjustments, tire inflation and chain lubrication. Not included: replacement or installation of new components or accessories, any other services. Call your local REI Co-op Bike Shop for more information.

View the Salsa Horsethief Product LineView all Salsa Full-Suspension Mountain Bikes

Technical Specs

Item #199787
Best Use

Mountain Biking

Mountain Bike Style



Horsethief alloy V3

Bike Suspension

Full Suspension


RockShox 35 Silver TK 140 mm, 42 mm offset

Fork Travel

140 millimeters

Rear Shock

RockShox Deluxe Select+


Shimano MT512, 30T

Bottom Bracket

Shimano SM-BB52 73 mm BSA, threaded


Shimano Deore M6100

Rear Derailleur

Shimano Deore M6100 SGS

Rear Cogs

Shimano Deore M6100, 10-51T, 12-speed

Number of Gears

12 gear(s)

Brake Type

Hydraulic Disc Brake


Shimano MT4100

Brake Levers

Shimano MT4100


WTB ST i30

Front Hub

400-B 15 x 110 mm hub

Rear Hub

Shimano SLX M7130 12 x 157 mm hub

Wheel Size

29 inches


Front: Maxxis DHF 29 x 2.5 in.; rear: Maxxis DHR II 29 x 2.4 in.; EXO/tubeless ready

Tire Width

2.5 inches

2.4 inches

Handlebar Shape

Flat Bar


Race Face Chester 35


Salsa Guide Trail 50 mm

Seat Post

TranzX YSI05, Shimano MT500 lever, 30 mm travel adj


WTB Volt 250 steel, 250 x 135 mm


Not included


FSA Orbit IS-2 ACB IS41/IS52


Shimano Deore M6100

Dropper Post






Size Chart

Height Range5'5" - 5'8"5'8" - 5'11"5'11" - 6'2"6'2" and up
Reach413 / 415432 / 434451 / 453470 / 472
Stack613 / 611622 / 620632 / 629 641 / 639
Effective Top Tube596 / 595618 / 617639 / 639661 / 660
Seat Tube Center-Top419444483520
Standover Height750 / 753748 / 758759 / 769769 / 780
Head Tube Length103113123133
Head Tube Angle (degrees)66.8 / 6766.8 / 6766.8 / 6766.8 / 67
Seat Tube Angle (degrees)73.4 / 73.673.4 / 73.673.4 / 73.673.4 / 73.6
Chainstay432 / 431432 / 431432 / 431432 / 431
Fork Offset44444444

Sizing Notes

Measurements are stated in millimeters unless otherwise indicated.

Where two measurements are listed, the first number is with Flip Chip in Low position; the second number is with Flip Chip in High position

How we measure bikes

  1. Standover Height Standover Height is a measurement from the ground to the top of the top tube, measured at the midpoint of the top tube.
  2. Reach Reach is the horizontal distance from the center of the cranks to the center of the head tube, measured at head tube level.
  3. Stack Stack is the vertical distance from the center of the cranks to the center of the head tube, measured to the top of the head tube.
  4. Effective Top Tube Effective top tube is the distance from the center of the head tube to the center of the seat tube/seat post, measured parallel to the ground.
  5. Seat Tube Center to Top Seat Tube length is the measurement of the seat tube, from the center of the cranks to the top of the seat tube.
  6. Head Tube Length Head Tube Length is measured from the bottom to the top of the head tube.
  7. Head Tube Angle Head Tube Angle is the acute angle between the head tube and the ground (measured towards the rear of the bike)
  8. Seat Tube Angle Seat Tube Angle is the acute angle between the seat tube and the ground (measured towards the rear of the bike).
  9. Bottom Bracket Height Bottom Bracket Height is a measurement taken vertically from the ground up to the center of the cranks.
  10. Wheelbase Wheelbase is the measurement from the center of the front axle to the center of the rear axle.
  11. Chainstay Length Chainstay Length is the measurement from the center of the cranks to the center of the rear axle.
  12. Fork Offset Fork Offset, or rake, is the distance from the front axle to a line drawn parallel to the center of the head tube or steering axis.

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