Bicycle Archive · Specification report

2026 Salsa Blackthorn 145 C Eagle 90 Transmission

Velopedia Archive ID 900000405

Overview

Model year	2026
Brand	Salsa
Model	Blackthorn 145 C Eagle 90 Transmission
Bicycle type	Mountain
Archive ID	900000405
Original MSRP	$4,999.00
Colors	Black/Graphite Gray
Sizes	Small; Medium; Large; X-Large
Weight	33 lb 15 oz

Frameset

Frame construction	Carbon
Frame material	Carbon Fiber
Fork	FOX 36 Performance, GRIP, 44mm offset, 160mm

Drivetrain

Shifters	SRAM Eagle 90 Transmission
Front derailleur	N/A
Rear derailleur	SRAM Eagle 90 Transmission
Crankset	SRAM Eagle 90 Transmission, 30t, single guard
Bottom bracket	SRAM DUB MTB Wide BSA
Cassette	SRAM XS-1270 Eagle Transmission, 10–52t, 12-speed
Chain	SRAM GX Eagle Transmission Flattop

Brakes

Brakes	Brake Calipers: SRAM Maven Base, 4-piston; Brake Levers: SRAM Maven Base; Rotors: SRAM CenterLine 2.0 (6-bolt, 200mm front and rear)

Cockpit & contact points

Headset	FSA Orbit 1.5E ZS NO.57E
Handlebar	Race Face Chester, 35.0
Stem	Salsa Guide 35.0
Saddle	WTB Solano Steel Fusion Form, medium
Seatpost	TranzX REVERSE YSI35 w/ GL MMX lever

Wheels & tires

Hubs	(F) WTB Frequency 3x 15 x 110mm / (R) WTB Frequency 3x 12 x 148mm
Rims	WTB KOM Trail i30 TCS, 32h, 29"
Spokes	Double-butted
Front tire	Teravail Kessel 29 x 2.5", 60TPI Durable casing, Grip Plus compound (WTB TCS valve and sealant included)
Rear tire	Teravail Kessel 29 x 2.5", 120TPI Durable Plus casing, Grip Plus compound (WTB TCS valve and sealant included)
Wheel size	29"; 27.5"

Geometry · Small

Seat tube	405 mm
Effective top tube	589 mm
Head tube	100 mm
Head-tube angle	63.9- 63.6
Seat-tube angle	77.4- 77.1
Chainstay / rear center	432 mm
Wheelbase	1219 mm
Bottom-bracket drop	25 mm
Bottom-bracket height	351 mm
Reach	452 mm
Stack	612 mm
Standover height	746 mm
Fork offset / rake	43 mm
Fork length / axle-to-crown	571 mm
Crank length	165 mm
Stem length	40 mm
Handlebar width	780 mm

Geometry · Medium

Seat tube	430 mm
Effective top tube	611 mm
Head tube	110 mm
Head-tube angle	63.9- 63.6
Seat-tube angle	77.4- 77.1
Chainstay / rear center	432 mm
Wheelbase	1243 mm
Bottom-bracket drop	25 mm
Bottom-bracket height	351 mm
Reach	472 mm
Stack	621 mm
Standover height	746 mm
Fork offset / rake	43 mm
Fork length / axle-to-crown	571 mm
Crank length	165 mm
Stem length	40 mm
Handlebar width	780 mm

Geometry · Large

Seat tube	455 mm
Effective top tube	633 mm
Head tube	120 mm
Head-tube angle	63.9- 63.6
Seat-tube angle	77.4- 77.1
Chainstay / rear center	432 mm
Wheelbase	1268 mm
Bottom-bracket drop	25 mm
Bottom-bracket height	351 mm
Reach	492 mm
Stack	630 mm
Standover height	747 mm
Fork offset / rake	43 mm
Fork length / axle-to-crown	571 mm
Crank length	165 mm
Stem length	40 mm
Handlebar width	780 mm

Geometry · X-Large

Seat tube	480 mm
Effective top tube	655 mm
Head tube	130 mm
Head-tube angle	63.9- 63.6
Seat-tube angle	77.4- 77.1
Chainstay / rear center	432 mm
Wheelbase	1292 mm
Bottom-bracket drop	25 mm
Bottom-bracket height	351 mm
Reach	512 mm
Stack	639 mm
Standover height	747 mm
Fork offset / rake	43 mm
Fork length / axle-to-crown	571 mm
Crank length	165 mm
Stem length	40 mm
Handlebar width	780 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on August 25, 2026.