Bikes / Transition / Sentinel
Transition Sentinel 2021 Geometry, Reviews, and Specs Sentinel is Transition's powerful trail bike, the one ENDURO said climbs brilliantly and still has pop on the way down. People keep calling it one of the best all-arounders after a long-term. This is one mountain bike for regular trails if your regular trails already include a few bad ideas.
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Aggressive fit i Slow steering i Fast steering i Relaxed fit i Transition Sentinel 2021 Sizing Guide Recommended Size by Rider Heighti Our recommendation on sizes based on known rider heights. Sizing is individual, but think of this as a good starting point.
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S M L XL XXL
180 cm 190 cm 200 cm 210 cm
Transition Sentinel 2021 Geometry Chart Size Stack Reach Stack/reach Stem Bar Crank Dropper Head tube angle Seat tube angle Chainstay Wheelbase BB drop Wheel size S 610 mm 430 mm 1.42:1 50 mm 800 mm 175 mm 170 mm 65.0° 76.5° 435 mm 1188 mm 33 mm 29" M 620 mm 455 mm 1.36:1 50 mm 800 mm 175 mm 170 mm 65.0° 76.5° 435 mm 1215 mm 33 mm 29" L 630 mm 480 mm 1.31:1 50 mm 800 mm 175 mm 170 mm 65.0° 76.5° 435 mm 1242 mm 33 mm 29" XL 644 mm 505 mm 1.28:1 50 mm 800 mm 175 mm 170 mm 65.0° 76.5° 435 mm 1272 mm
2021 colorways No colorway catalog for 2021 yet.
What changed in the bike frame Same published geometry as 2020.
Published geometry matches the 2020 Transition Sentinel. Same sizes, same stack and reach. What changed in equipment No verified spec sheet for 2021 or 2020.
*The new Sentinel was designed around a 160mm fork, but you can run a 170 - I've yet to try it but will do so and report back. 2021 Transition Sentinel Deniz ... What changed in price No launch MSRP in the catalog yet.
Compare 2021 and 2020 Transition Sentinel side by side
