MountainPartial spec

2025 Salsa Blackthorn 125 C GX Transmission

Lists today at $6,499 (2026-09)

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What a used one is worth

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New

$5,069

$3,574 to $5,849

Like new

$4,816

$3,396 to $5,557

Excellent

$4,562

$3,217 to $5,264

Good

$3,802

$2,681 to $4,387

Fair

$2,788

$1,966 to $3,217

For parts

$1,521

$1,072 to $1,755

From the launch price, aged to 2026 and adjusted for condition. Guidance from our catalog, not an appraisal.

Overview

Brand: Salsa
Model family: Blackthorn
Model year: 2025
Category: Mountain · enduro
Frame material: carbon
Sizes: S, M, L, XL
Wheel size: 29
Current list price: $6,499 (as of 2026-09)

Drivetrain

Speeds: 12
Groupset: SRAM GX Eagle Transmission
Electronic: true

Build

Fork: Fox 36SL Performance Elite Float X2, 140mm
Stem: Salsa 35.0 Guide Trail, 40mm
Tires: Teravail Clifty, 29 x 2.5", Durable casing, WTB TCS Sealant Included
Brakes: SRAM Code Bronze Stealth
Saddle: WTB Solano, Medium, Steel SL, Fusion Form
Wheels: WTB ASYM i30 TCS, 28h
Cassette: SRAM GX Eagle Transmission, 10–52t, 12-speed
Crankset: SRAM GX Eagle Transmission, 30t w/ MRP 1x iO SL ISCG-05 aluminum bashguard
Seatpost: TranzX REVERSE w/ GL Stealth MMX Lever, SM: 160mm travel; MD: 180mm travel; LG–XL: 210mm travel
Shifters: SRAM AXS Pod controller, Right, w/ MatchMaker X Clamp
Handlebar: Race Face Turbine
Weight kg: 14.06
Rear shock: Fox Float X Performance Elite
Rear derailleur: SRAM GX Eagle AXS Transmission
Travel front mm: 140

Geometry

L: Reach mm: 502; Stack mm: 623; Chainstay mm: 432; Wheelbase mm: 1260; Seat angle deg: 78.3
M: Reach mm: 482; Stack mm: 614; Chainstay mm: 432; Wheelbase mm: 1236; Seat angle deg: 78.3
S: Reach mm: 462; Stack mm: 605; Chainstay mm: 432; Wheelbase mm: 1211; Seat angle deg: 78.3
XL: Reach mm: 521; Stack mm: 632; Chainstay mm: 432; Wheelbase mm: 1283; Seat angle deg: 78.2

Factory color: Slate/Citrus. Price labels fixed 2026-09-27: msrp_usd cleared and the $6499 moved to list_price_usd because it is Salsa's 2026-09 store price for a past model year, not a launch price.

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