2026 Salsa Cycles Blackthorn 125 C (Low Position) X-Large
Build
700C/29 in × 2.4 in
Insights
Somewhat aggressive stack and reach vs trend of full-suspension trail mtb bikes
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Bar type unusual for category
This: Moto/Klunker/Riser Bar
Category: Flat Bar
vs full-suspension trail mtb bikesCategory: Flat Bar
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 635mm |
| Reach | 518mm |
| Stack to Reach Ratio | 1.23:1 |
| Seat Tube Length, C-T | 480mm |
| Top Tube Length, Effective/Horizontal HT Top | 654mm |
| Head Tube Angle | 64.4deg |
| Effective Seat Tube Angle, Unknown | 77.9deg |
| Head Tube Length | 130mm |
| Bottom Bracket Drop | 36mm |
| Bottom Bracket Height | 336mm |
| Chainstay Length | 433mm |
| Chainstay Length Horizontal | 431.5mm |
| Front-Center | 853.3mm |
| Front-Center Horizontal | 852.5mm |
| Wheelbase | 1284mm |
| Fork Offset/Rake | 43mm |
| Fork Length (Axle-To-Crown) | 571mm |
| Trail | 130.5mm very high |
| Mechanical Trail | 117.7mm |
| Wheel Flop | 50.9mm |
| Standover Height | 733mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 311.3mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 166mm |
125 C (Low Position) Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.4in |
| Tire Outer Diameter | 743.9mm |
| Bike Length with Tires | 2027.9mm |
| Crank Length | 170mm |
| Handlebar Width | 800mm |
| Stem Length | 40mm |
| Suspension Type | Full suspension |
| Bar Type | Moto/Klunker/Riser Bar |
| Fork Travel | 130mm |
| Rear Travel | 125mm |
| Suspension Sag | Unknown |
| Frame Material | Unknown |
| Fork Material | Unknown |
| Brake Type | Unknown |
Source:https://www.salsacycles.com/products/2025-blackthorn-125-c-gx-transmission