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2026 Salsa Blackthorn 125 Eagle 70 Transmission

Original specifications: 29"; 27.5" wheels · 34lb 7oz published weight · geometry for 4 published sizes.

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At a glance

Model year
2026
Category
Mountain
Original MSRP
$3,499.00
Sizes
S, M, L, XL
Colors
Vapor Gray
Weight
34lb 7oz
Geometry
4 manufacturer sizes
In this record
20 specifications · 3 archived images · original MSRP · geometry
Archive ID
900000410
Original buildAluminum · 29"; 27.5"

Manufacturer catalog

Published sizes and colors

4 sizes · 1 color

Manufacturer-published sizes and colors; availability and exact size/color pairings may vary by market or production run.

Published sizes

SMLXL

Published colors

Vapor Gray

Frameset

Frame Construction6061-T6 hydroformed aluminum
Frame MaterialAluminum
ForkRockShox Pike, 44mm offset, 140mm

Drivetrain

ShiftersSRAM Eagle 70 Transmission
Rear DerailleurSRAM Eagle 70 Transmission
CranksetSRAM Eagle 70 Transmission, 30t
Bottom BracketSRAM DUB MTB Wide, BSA
CassetteSRAM XS-1270 Transmission, 10–52t, 12-speed
ChainSRAM Eagle 70 Transmission Flattop

Brakes

BrakesBrake Calipers: SRAM DB6, 4-piston; Brake Levers: SRAM DB6; Rotors: SRAM CenterLine 2.0 (6-bolt, 200mm front, 180mm rear)

Cockpit & Contact Points

HeadsetFSA Orbit 1.5E ZS NO.57E
HandlebarAlloy, 35.0mm
StemSalsa Guide 35.0
SaddleWTB Solano Steel Hybrid Fusion, medium
SeatpostTranzX YSI-05 adjustable-travel dropper w/ GL Matchmaker X lever

Wheels & Tires

Hubs(F) WTB Frequency 3X 15 x 110mm / (R) WTB Frequency 3X 12 x 148mm
RimsWTB ST i30 TCS, 32h, 29"
Front TireTeravail Kessel 29 x 2.5", 60TPI Durable casing, Grip Plus compound (WTB TCS valve and sealant included)
Rear TireTeravail Clifty 29 x 2.5", 60TPI Durable casing, Grip Plus compound (WTB TCS valve and sealant included)
Wheel Size29"; 27.5"

Geometry

4 sizes · 17 measurements

Frame measurements by size.

All geometry measurements4 sizes · 17 measurements
MeasurementSmallMediumLargeX-Large
Seat tube405 mm430 mm455 mm480 mm
Effective top tube587 mm609 mm631 mm653 mm
Head tube100 mm110 mm120 mm130 mm
Head-tube angle64.7- 64.464.7- 64.464.7- 64.464.7- 64.4
Seat-tube angle78.3- 77.978.2- 77.978.2- 77.978.2- 77.9
Chainstay / rear center432 mm432 mm432 mm432 mm
Wheelbase1210 mm1234 mm1258 mm1283 mm
Bottom-bracket drop32 mm32 mm32 mm32 mm
Bottom-bracket height344 mm344 mm344 mm344 mm
Reach462 mm482 mm502 mm521 mm
Stack602.4 mm611.2 mm620 mm628.7 mm
Standover height735.3 mm735.7 mm736 mm736.3 mm
Fork offset / rake43 mm43 mm43 mm43 mm
Fork length / axle-to-crown551 mm551 mm551 mm551 mm
Crank length165 mm165 mm165 mm165 mm
Stem length40 mm40 mm40 mm40 mm
Handlebar width780 mm800 mm800 mm800 mm

Measurements may vary by configuration, wheel size, or frame setting where noted in the published chart.

Gearing

Chainring ÷ rear sprocket

Lower ratios provide more mechanical advantage for climbing. Higher ratios turn the rear wheel farther with each crank revolution.

All published sizes30T · 10–52T · 12-speed
Lowest0.58:1 Highest3.00:1 Total range520%
Campaign

Parts & serviceability

Find replacement parts

Original specifications
Chain · Original
SRAM Eagle 70 Transmission Flattop Search: SRAM Eagle 70 Transmission Flattop chain
Cassette · Original
SRAM XS-1270 Transmission, 10–52t, 12-speed
Bottom bracket · Original
SRAM DUB MTB Wide, BSA
Retailer offers · Affiliate links
More parts (6)
Saddle · Original
WTB Solano Steel Hybrid Fusion, medium
Crankset · Original
SRAM Eagle 70 Transmission, 30t
Rear derailleur · Original
SRAM Eagle 70 Transmission Search: SRAM Eagle 70 Transmission rear derailleur
Retailer offers · Affiliate links
Shifters · Original
SRAM Eagle 70 Transmission Search: SRAM Eagle 70 Transmission shifter
Stem · Original
Salsa Guide 35.0
Headset · Original
FSA Orbit 1.5E ZS NO.57E

Based on the original build. Confirm the model, size and fit before ordering; installed parts may differ. As an Amazon Associate I earn from qualifying purchases. Velopedia may also earn from qualifying eBay purchases. Velopedia may also earn from qualifying retailer purchases.

Bike-specific inspection checklist 20 checks based on 6 archived component groups Open checklistClose checklist
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This checklist uses the archived equipment for this bike. It cannot confirm the condition, service history or later component changes of the example in front of you.

Archived: 2026 Salsa Blackthorn 125 Eagle 70 Transmission · Mountain · Published sizes: S, M, L, XL

Archived: Frame: 6061-T6 hydroformed aluminum · Fork: RockShox Pike, 44mm offset, 140mm

Archived: Fork: RockShox Pike, 44mm offset, 140mm

Archived: Shifters: SRAM Eagle 70 Transmission · Rear derailleur: SRAM Eagle 70 Transmission · Crankset: SRAM Eagle 70 Transmission, 30t · Bottom bracket: SRAM DUB MTB Wide, BSA · Cassette: SRAM XS-1270 Transmission, 10–52t, 12-speed · Chain: SRAM Eagle 70 Transmission Flattop

Archived: Brakes: Brake Calipers: SRAM DB6, 4-piston; Brake Levers: SRAM DB6; Rotors: SRAM CenterLine 2.0 (6-bolt, 200mm front, 180mm rear)

Archived: Wheel size: 29"; 27.5" · Rims: WTB ST i30 TCS, 32h, 29" · Hubs: (F) WTB Frequency 3X 15 x 110mm / (R) WTB Frequency 3X 12 x 148mm · Front tire: Teravail Kessel 29 x 2.5", 60TPI Durable casing, Grip Plus compound (WTB TCS valve and sealant included) · Rear tire: Teravail Clifty 29 x 2.5", 60TPI Durable casing, Grip Plus compound (WTB TCS valve and sealant included)

Controls and contact points

Archived: Headset: FSA Orbit 1.5E ZS NO.57E · Handlebar: Alloy, 35.0mm · Stem: Salsa Guide 35.0 · Seatpost: TranzX YSI-05 adjustable-travel dropper w/ GL Matchmaker X lever · Saddle: WTB Solano Steel Hybrid Fusion, medium

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Gallery3 images

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Campaign

Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.

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