Blackthorn is Salsa’s 140 mm all-mountain 29er, built for riding any trail anywhere with confidence. It’s a well-balanced bike that takes on serious topography with gusto. Blackthorn is stable and confident on rugged descents and is a stunningly capable climber. With Split Pivot suspension dialed for maximum traction and pedaling efficiency, Blackthorn has the chops to ride all-mountain, all-out, all day.​

• Carbon fiber frame and seatstays with 6061-T6 aluminum chain stays for durability​
• Split Pivot + suspension design features 140 mm of efficient travel that’s fully active under braking and supportive throughout its stroke, paired with a 160 mm suspension fork
• Rear Flip chip adjusts the head tube angle and bottom bracket height to accommodate varying terrain, wheel sizes, and personal preference
• Integrated strap location on frame for tube or tool kit​
• A short stem, long top tube and 64.6-degree head tube angle provides descending confidence
• 76.5-degree seat tube angle with seat tube lengths optimized for longer dropper posts​
• Super Boost 157 x 12mm rear hub spacing allows for shorter chainstays (431­–432 mm), more tire clearance, more chainring options, and stiffer wheels
• Clearance for up to 29 x 2.6" or 27.5 x 3.0" tires

 

Frame measurements (mm)	SM	MD	LG	XL
A. BB Drop	26	26	26	26
B. Chainstay Length	432	432	432	432
C. Fork Length - Axle to Crown	569	569	569	569
D. Fork Offset	43	43	43	43
E. Head Tube Angle (deg)	64.6	64.6	64.6	64.6
F. Headtube Length	95	100	110	120
G. Reach	448	469	490	510
H. Seat Tube Angle (deg)	76.5	76.5	76.5	76.5
I. Seat Tube Length - Center to Top	405	430	455	480
J. Stack	611	615	624	633
K. Standover	728	729	728	728
L. Top Tube Length (Effective)	591	615	641	666
M. Wheelbase	1204	1228	1253	1278

* All dimensions are preliminary and subject to change. Measurements shown are with 160mm sus fork with Flip Chip in the low setting