Bontrager adventure frame bag sizing guide DimensionsGeneral Recommendations: 44cm - 52cm Small, 54cm-56cm Medium, 58cm- 63cm Large

Trek 520

Trek 720

Trek 920

Trek Checkpoint

Trek 520

48 cm 51cm 54 cm 57 cm 60 cm 63 cm

49 cm 52 cm 54 cm 56 cm 58 cm 61 cm

49 cm 52 cm 54 cm 56 cm 58 cm 61 cm

44 cm 49 cm 52 cm 54 cm 56 cm 58 cm 61 cm

Trek MTBGeneral Recommendation: S Small, M-ML Medium, L-XXL Large

S M ML L XL