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Bag Size

Inches
units: inches42 46 50 52 54 56 58 60 62 64 Seat Tube Inner 11.8 13.0 14.8 14.8 15.4 16.9 16.9 17.3 17.7 19.3 Top Tube Inner 15.7 16.9 17.7 18.1 18.9 20.5 21.5 22.2 22.4 22.8 Down Tube Inner 16.1 16.5 16.7 16.5 16.9 18.5 18.5 18.5 17.3 20.1 Seat Tube Area Width 2.75 2.75 2.75 2.75 2.75 2.75 2.75 2.75 2.75 2.75 Head Tube Area Width 2.75 2.75 2.75 2.75 2.75 2.75 2.75 2.75 2.75 2.75 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 CustomMillimeters
units: mm42 46 50 52 54 56 58 60 62 64 Seat Tube Inner 300 330 375 375 396 430 430 440 450 490 Top Tube Inner 400 430 450 460 480 520 545 564 570 580 Down Tube Inner 410 420 425 420 430 470 470 470 440 510 Seat Tube Area Width 70 70 70 70 70 70 70 70 70 70 Head Tube Area Width 70 70 70 70 70 70 70 70 70 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 CustomMountain Frame Bag

Inches
6 7 8 9 10 Seat Tube Inner 8.0 9.0 10.5 13.0 14.8 Top Tube Inner 16.8 18.5 20.5 21.5 22.8 Down Tube Inner 19.5 20.5 22.0 23.5 25.0 Seat Tube Area Width 2.0 2.0 2.0 2.0 2.0 Model Fit Frame Size XS SM MD LG XL 1×1 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 CustomMillime
6 7 8 9 10 Seat Tube Inner 203 229 267 330 375 Top Tube Inner 425 470 521 546 578 Down Tube Inner 495 521 559 597 635 Seat Tube Area Width 51 51 51 51 51 Model Fit Frame Size XS SM MD LG XL 1×1 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