Bikes. Parts. Chaos.

Bag Sizing

Guides on how our bags measure up.

Surly Softgoods Sizing

Straggle-Check Frame Bag

sizing image

Bag Size

units:
  • in
  • mm
42 46 50 52 54 56 58 60 62 64
Seat Tube Inner 11.8 300 13.0 330 14.8 375 14.8 375 15.4 396 16.9 430 16.9 430 17.3 440 17.7 450 19.3 490
Top Tube Inner 15.7 400 16.9 430 17.7 450 18.1 460 18.9 480 20.5 520 21.5 545 22.2 564 22.4 570 22.8 580
Down Tube Inner 16.1 410 16.5 420 16.7 425 16.5 420 16.9 430 18.5 470 18.5 470 18.5 470 17.3 440 20.1 510
Seat Tube Area Width 2.75 70 2.75 70 2.75 70 2.75 70 2.75 70 2.75 70 2.75 70 2.75 70 2.75 70 2.75 70
Head Tube Area Width 2.75 70 2.75 70 2.75 70 2.75 70 2.75 70 2.75 70 2.75 70 2.75 70 2.75 70 2.75 70
Model Fit Frame Size (cm)
38 42 46 50 52 54 56 58 60 62 64
Cross Check A 42 46 50 52 54 56 58 60 62 64
Midnight Special A 42 42 46 50 52 54 56 58 60 62 64
Pack Rat B 42 46 50 52 54 56 58
Straggler 700c A 42 46 50 52 54 56 58 60 62 64
Straggler 650b B 42 46 50 52 54 56 58 60

#42-64 = Bag Size
A = Best Fit, Like Custom
B = Good Fit, But Not Quite Like Custom

Mountain Frame Bag

sizing image

Bag Size

units:
  • in
  • mm
6 7 8 9 10
Seat Tube Inner 8.0 203 9.0 229 10.5 267 13.0 330 14.8 375
Top Tube Inner 16.8 425 18.5 470 20.5 521 21.5 546 22.8 578
Down Tube Inner 19.5 495 20.5 521 22.0 559 23.5 597 25.0 635
Seat Tube Area Width 2.0 51 2.0 51 2.0 51 2.0 51 2.0 51
Model Fit Frame Size
XS SM MD LG XL
1x1 A 6 7 8 9 10
B
Big Dummy A 7 8 9 10
B 6 7 8 9
Big Fat Dummy A 6 8 10
B
Bridge Club A 6 7 8 9 10
B 7 8 9 10
ECR A 6 7 8 9
B 6 7 8 9 10
Ice Cream Truck A
B 6 7 8 9
Karate Monkey A 6 7 8 9
B 6 7 8 9 10
Krampus A 6 7 8 9
B 7 8 9 10
Lowside A 8 9 10
B 6 6 7 8 9
Ogre A 6 6 7 8 9
B 6 7 8 9 10
Pugsley A 6 7 8 9 10
B 7 8 9 10
Troll A 6 7 8 9 10
B 7 8 9 10
Wednesday A 7 8 9
B 6 6 8 9 10

#42-64 = Bag Size
A = Best Fit, Like Custom
B = Good Fit, But Not Quite Like Custom