2025 Co-Motion Cycles Tumalo Pinion S
Build
700C/29 in × 2.4 in
Insights
Somewhat upright stack and reach vs trend of off-road touring bikes
Stack and Reach vs. Category Trend
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Geometry
| Stack | 620mm |
| Reach | 368mm |
| Stack to Reach Ratio | 1.68:1 |
| Seat Tube Length, C-T | 430mm |
| Top Tube Length, Effective/Horizontal HT Top | 545mm |
| Top Tube Slope | 23deg |
| Head Tube Angle | 68.5deg |
| Seat Tube Angle | 74deg |
| Head Tube Length | 115mm |
| Bottom Bracket Drop | 77mm |
| Bottom Bracket Height | 295mm |
| Chainstay Length | 460mm |
| Chainstay Length Horizontal | 453.5mm |
| Front-Center | 642.1mm |
| Front-Center Horizontal | 637.5mm |
| Wheelbase | 1091mm |
| Fork Offset/Rake | 51mm |
| Fork Length (Axle-To-Crown) | 485mm |
| Trail | 91.7mm very high |
| Mechanical Trail | 85.3mm |
| Wheel Flop | 31.3mm |
| Standover Height | 749mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 100.2mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 125mm |
Pinion Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.4in |
| Tire Outer Diameter | 743.9mm |
| Bike Length with Tires | 1834.9mm |
| Suspension Type | Rigid, suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Steel |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:https://co-motion.com/collections/single-bikes/products/tumalo