2018 Transition Bikes Sentinel GX SM
Build
700C/29 in × 2.3 in
Insights
Somewhat upright stack and reach vs trend of full-suspension all-mountain/enduro mtb bikes
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 617mm |
| Reach | 425mm |
| Stack to Reach Ratio | 1.45:1 |
| Seat Tube Length, Unknown | 360mm |
| Top Tube Length, Effective/Horizontal Unknown | 568mm |
| Head Tube Angle | 64deg |
| Effective Seat Tube Angle, Unknown | 77.5deg |
| Head Tube Length | 100mm |
| Bottom Bracket Drop | 30mm |
| Bottom Bracket Height | 339.4mm |
| Chainstay Length | 435mm |
| Chainstay Length Horizontal | 434mm |
| Front-Center | 759.6mm |
| Front-Center Horizontal | 759mm |
| Wheelbase | 1193mm |
| Fork Offset/Rake | 43mm |
| Fork Length (Axle-To-Crown) | 571mm |
| Trail | 132.3mm very high |
| Mechanical Trail | 118.9mm |
| Wheel Flop | 52.1mm |
| Standover Height | 685mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 220.2mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 169.4mm |
GX Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.3in |
| Tire Outer Diameter | 738.8mm |
| Bike Length with Tires | 1931.8mm |
| Crank Length | 170mm |
| Handlebar Width | 780mm |
| Stem Length | 40mm |
| Suspension Type | Full suspension |
| Bar Type | Flat Bar |
| Fork Travel | 160mm |
| Rear Travel | Unknown |
| Suspension Sag | 30% |
| Frame Material | Aluminum |
| Fork Material | Aluminum |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 5 ft 1 in to 5 ft 7 in |
Source:https://www.transitionbikes.com/SupportFiles/SentinelAlloy_2018_WebsiteArchive.pdf