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Transition Sentinel Alloy Frame

Transition Sentinel Alloy (Cascade Blue)
 Transition Sentinel Alloy Frame  Transition Sentinel Alloy Frame
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Product Transition Sentinel Alloy Frame
Riding Type Enduro / All-Mountain
Rider Unisex
Sizes and Geometry
SM, MD, LG, XL, XXL View Geometry
Top Tube Length 552mm 585mm 613mm 641mm 665mm
Head Tube Angle 63.6° 63.6° 63.6° 63.6° 63.6°
Head Tube Length 100mm 110mm 120mm 130mm 140mm
Seat Tube Angle 78.2° 77.5° 76.9° 76.4° 76.0°
Seat Tube Length 350mm 390mm 430mm 460mm 490mm
Bottom Bracket Height 346mm (29mm drop) 346mm (29mm drop) 346mm (29mm drop) 347mm (29mm drop) 347mm (29mm drop)
Chainstay Length 440mm 440mm 440mm 440mm 440mm
Wheelbase 1199mm 1233mm 1263mm 1292mm 1316mm
Standover 671mm 688mm 700mm 712mm 722mm
Reach 420mm 450mm 476mm 501mm 521mm
Stack 613mm 622mm 631mm 640mm 649mm
* Additional Info All specifications listed are with 160mm travel fork with 43mm offset. Seat tube offset at bottom bracket: 87mm. Saddle heights for effective seat tube angles listed above: 600mm (SM), 660mm (MD), 720mm (LG), 780mm (XL), 820mm (XXL).
Wheel Size 29"
Frame Material Aluminum
Frame Material Details Heat-treated 6061 alloy; molded down tube, seatstay, and chainstay protection
Rear Travel 150mm
Rear Shock FOX FLOAT X Performance Elite, 2-position lever, trunnion mount, 205mm x 62.5mm
Head Tube Diameter Tapered, 1.125" top, 1.5" bottom
Bottom Bracket 73mm English/BSA threaded
Rear Dropout / Hub Dimensions 148x12mm Boost
Front Derailleur Size N/A (1x-specific)
Seatpost Diameter 31.6mm
Max Tire Size 29" x 2.6"
Bottle Cage Mounts One inside front triangle, plus accessory mounts under top tube
Colors Cascade Blue, Platinum Silver
Warranty Lifetime
Weight 8 lb 15.6 oz (4,070 g)
Miscellaneous • 2021 version
• GiddyUp rear suspension design
• Internal cable routing
• Weight given for size MD with shock
• Rear travel can be reduced to 140mm with a shorter-stroke 205mm x 57.5mm shock
• Coil shock compatible
• Designed for 160mm travel forks with 42-44mm offset
• 180mm post-mount rear brake tabs; 203mm max rotor
• 32 tooth max chainring
Price $2,099
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