2020 Transition Bikes Sentinel Base SM
Build
700C/29 in × 2.4 in
Insights
Somewhat upright stack and reach vs trend of full-suspension trail mtb bikes
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
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Geometry
| Stack | 613mm |
| Reach | 420mm |
| Stack to Reach Ratio | 1.46:1 |
| Seat Tube Length, Unknown | 350mm |
| Top Tube Length, Effective/Horizontal Unknown | 552mm |
| Top Tube Slope | 27.8deg |
| Head Tube Angle | 63.6deg |
| Seat Tube Angle | 70.8deg |
| Effective Seat Tube Angle, Unknown | 78.2deg |
| Head Tube Length | 100mm |
| Bottom Bracket Drop | 29mm |
| Bottom Bracket Height | 343mm |
| Chainstay Length | 440mm |
| Chainstay Length Horizontal | 439mm |
| Front-Center | 760.5mm |
| Front-Center Horizontal | 760mm |
| Wheelbase | 1199mm |
| Fork Offset/Rake | 43mm |
| Trail | 136.6mm very high |
| Mechanical Trail | 122.4mm |
| Wheel Flop | 54.4mm |
| Standover Height | 671mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 218.6mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 173mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.4in |
| Tire Outer Diameter | 743.9mm |
| Bike Length with Tires | 1942.9mm |
| Suspension Type | Full suspension |
| Bar Type | Flat Bar |
| Fork Travel | 160mm |
| Rear Travel | Unknown |
| Suspension Sag | Unknown |
| Frame Material | Carbon/Composite |
| Fork Material | Unknown |
| Brake Type | Disc |
Source:https://www.transitionbikes.com/Bikes_Sentinel2.cfm#GEO