TREK Checkpoint ALR Gen 3 / 2026


c

Geometry

  XS S M ML L XL
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Reach 44 32 38 42 40 41
Stack 49 50 67 69 52 52
Top Tube (effective) 62 50 59 56 69 62
Seat Tube C-C 43 49 47 51 53 51
Head Angle 67 69 85 85 71 60
Seat Angle 62 72 74 58 83 71
Head Tube 9 12 14 16 21 17
Chainstay 35 47 50 49 50 44
Wheelbase 83 113 100 111 118 96
Standover 85 80 72 84 75 83
BB Drop 6 8 6 7 6 8
Fork Rake / Offset 5 5 5 5 5 5
Trail 7 7 5 5 5 7
Wheel Size 700c 700c 700c 700c 700c 700c
Data Source Manufacturer Manufacturer Manufacturer Manufacturer Manufacturer Manufacturer

Standard measurements are in millimeters and degrees. The site attempts to recognize and convert other units back to standard - results may vary.

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