2026 Transition Bikes Spur Base SM
Build
700C/29 in × 2.4 in
Insights
Somewhat upright stack and reach vs trend of full-suspension cross-country mtb bikes
Design deviates from other sizes of Transition Bikes Spur
Bar type unusual for category
This: Moto/Klunker/Riser Bar
Category: Flat Bar
vs full-suspension cross-country mtb bikesCategory: Flat Bar
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 612mm |
| Reach | 425mm |
| Stack to Reach Ratio | 1.44:1 |
| Seat Tube Length, Unknown | 360mm |
| Top Tube Length, Effective/Horizontal Unknown | 570mm |
| Top Tube Slope | 27.3deg |
| Head Tube Angle | 65.5deg |
| Seat Tube Angle | 76.7deg |
| Head Tube Length | 100mm |
| Bottom Bracket Drop | 47mm |
| Bottom Bracket Height | 325mm |
| Chainstay Length | 436mm |
| Chainstay Length Horizontal | 433.5mm |
| Front-Center | 731.1mm |
| Front-Center Horizontal | 729.5mm |
| Wheelbase | 1163mm |
| Fork Offset/Rake | 44mm |
| Trail | 121.2mm very high |
| Mechanical Trail | 110.3mm |
| Wheel Flop | 45.7mm |
| Standover Height | 660mm |
| Tire to Pedal Spindle Distance With 165 mm cranks | 194.1mm |
| Pedal Spindle to Ground Clearance With 165 mm cranks | 160mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.4in |
| Tire Outer Diameter | 743.9mm |
| Bike Length with Tires | 1906.9mm |
| Crank Length | 165mm |
| Handlebar Width | 760mm |
| Stem Length | 40mm |
| Suspension Type | Full suspension |
| Bar Type | Moto/Klunker/Riser Bar |
| Fork Travel | 130mm |
| Rear Travel | 120mm |
| Suspension Sag | 30% |
| Frame Material | Carbon/Composite |
| Fork Material | Aluminum |
| Brake Type | Disc |
Source:https://www.transitionbikes.com/Bikes/Spur