2024 Transition Bikes Sentinel GX
- Design
- Flat Bar, Full suspension
- Suspension
- 150mm rear travel
Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry |
Geometry
SM | MD | Medium MX | LG | XL | XXL | |
Stack | 613mm | 622mm | 624mm | 631mm | 640mm | 649mm |
Reach | 420mm | 450mm | 451mm | 476mm | 501mm | 521mm |
Stack to Reach Ratio | 1.46:1 | 1.38:1 | 1.38:1 | 1.33:1 | 1.28:1 | 1.25:1 |
Seat Tube Length, Unknown | 350mm | 390mm | 390mm | 430mm | 460mm | 490mm |
Top Tube Length, Effective/Horizontal Center | 552mm | 585mm | — | 613mm | 641mm | 665mm |
Top Tube Length, Effective/Horizontal Unknown | — | — | 586mm | — | — | — |
Top Tube Slope | 27.8deg | 23.7deg | 24.4deg | 20deg | 17.5deg | 15.3deg |
Head Tube Angle | 63.6deg | 63.6deg | 63.6deg | 63.6deg | 63.6deg | 63.6deg |
Seat Tube Angle | 70.8deg | 70.8deg | 77.5deg | 70.8deg | 70.8deg | 70.8deg |
Effective Seat Tube Angle, Unknown | 78.2deg | 77.5deg | — | 76.9deg | 76.4deg | 76deg |
Head Tube Length | 100mm | 110mm | 110mm | 120mm | 130mm | 140mm |
Bottom Bracket Drop | 29mm | 29mm | 11mm | 29mm | 29mm | 29mm |
Bottom Bracket Height | 345.5mm | 345.5mm | 344.5mm | 345.5mm | 345.5mm | 345.5mm |
Chainstay Length | 440mm | 440mm | 440mm | 440mm | 440mm | 440mm |
Chainstay Length Horizontal | 439mm | 439mm | 439.9mm | 439mm | 439mm | 439mm |
Front-Center | 760.5mm | 794.5mm | 797.2mm | 824.5mm | 853.5mm | 877.4mm |
Front-Center Horizontal | 760mm | 794mm | 797.1mm | 824mm | 853mm | 877mm |
Wheelbase | 1199mm | 1233mm | 1237mm | 1263mm | 1292mm | 1316mm |
Fork Offset/Rake | 43mm | 43mm | 37.5mm | 43mm | 43mm | 43mm |
Trail | 137.9mm very high | 137.9mm very high | 134.6mm very high | 137.9mm very high | 137.9mm very high | 137.9mm very high |
Mechanical Trail | 123.5mm | 123.5mm | 120.6mm | 123.5mm | 123.5mm | 123.5mm |
Wheel Flop | 54.9mm | 54.9mm | 53.6mm | 54.9mm | 54.9mm | 54.9mm |
Standover Height | 671mm | 688mm | — | 700mm | 712mm | 722mm |
Tire to Pedal Spindle | 216mm 170 mm cranks | 250mm 170 mm cranks | 271.7mm 170 mm cranks | 280mm 170 mm cranks | 309mm 170 mm cranks | 332.9mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 175.5mm 170 mm cranks | 175.5mm 170 mm cranks | 174.5mm 170 mm cranks | 175.5mm 170 mm cranks | 175.5mm 170 mm cranks | 175.5mm 170 mm cranks |
GX Build
SM | MD | Medium MX | LG | XL | XXL | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 650B/27.5 in 584 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 2.5in | 2.5in | 2.5in | 2.5in | 2.5in | 2.5in |
Tire Width Max | — | — | 2.5in | — | — | — |
Tire Outer Diameter | 749mm | 749mm | 711mm | 749mm | 749mm | 749mm |
Bike Length with Tires | 1948mm | 1982mm | 1948mm | 2012mm | 2041mm | 2065mm |
Stack and Reach vs. Category Trend
Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive
The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.
Learn more about the Upright/Aggressive ScaleCategory Trend
Full-suspension All-mountain/Enduro MTBSource:https://www.transitionbikes.com/SupportFiles/SentinelCarbon2022.pdf, https://www.transitionbikes.com/Bikes_Sentinel.cfm