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| | | | | ![]() | ![]() | | | | | |
|---|---|---|---|---|---|---|---|---|---|---|
| Kona Unit X 2020: L | Kona Unit X 2020: XL | Surly Ogre 2020: LG | Surly Ogre 2020: XL | Surly Bridge Club 2018: LG | Surly Bridge Club 2018: XL | Brother Big Bro 2021: Large (20) | Brother Big Bro 2021: xLarge (22) | On-One Bootzipper 650b 2019: LRG | On-One Bootzipper 650b 2019: XLG | |
| Choose Baseline | ||||||||||
| Reach | 534 | 607 | 429 | 453 | 396 | 494 | 385 | 517 | 388 | 563 |
| Stack | 668 | 540 | 684 | 719 | 643 | 668 | 524 | 713 | 610 | 600 |
| Top Tube (effective) | 581 | 796 | 642 | 560 | 571 | 554 | 624 | 627 | 567 | 568 |
| Top Tube (actual) | 597 | 616 | 701 | 566 | 494 | 617 | ||||
| Seat Tube C-T | 378 | 571 | 521 | 620 | 520 | 480 | 580 | 663 | 438 | 558 |
| Head Angle | 56 | 78 | 68 | 66 | 79 | 78 | 74 | 63 | 71 | 75 |
| Seat Angle | 76 | 79 | 63 | 61 | 63 | 72 | 84 | 61 | 71 | 77 |
| Head Tube | 126 | 143 | 135 | 125 | 164 | 184 | 100 | 134 | 143 | 184 |
| Chainstay | 354 | 357 | 433 | 418 | 498 | 484 | 464 | 361 | 396 | 430 |
| Wheelbase | 1396 | 1016 | 1154 | 1225 | 1185 | 1308 | 903 | 1016 | 1330 | 1179 |
| Front Centre | 851 | 867 | 727 | 793 | ||||||
| Standover | 779 | 805 | 889 | 703 | 837 | 965 | 825 | 906 | ||
| BB Drop | 57 | 66 | 54 | 66 | 50 | 67 | 48 | 71 | 47 | 58 |
| BB Height | 298 | 355 | ||||||||
| BB Type | BSA 73mm | BSA 73mm | ||||||||
| Fork Rake / Offset | 53 | 47 | 49 | 38 | 40 | 44 | 52 | 54 | 41 | 56 |
| Fork Length (A2C) | 527 | 456 | 408 | 438 | 404 | 349 | 474 | 472 | 407mm | 407mm |
| Seatpost Diameter | 31 | 27 | 31.6mm | 31.6mm | ||||||
| Wheel Size | 650b | 650b | ||||||||
| Tyre Max Width | 58mm | 58mm | ||||||||
| Handlebar Width | 713 | 667 | ||||||||
| Stem Length | 101 | 116 | 97 | 87 | ||||||
| Stem Angle | 5 | 6 | 5 | 6 | ||||||
| Crank Length | 198 | 171 | 203 | 153 | ||||||
| Headset | 44mm | 44mm | ||||||||
| Remove | ||||||||||
| Kona Unit X 2020: L | Kona Unit X 2020: XL | Surly Ogre 2020: LG | Surly Ogre 2020: XL | Surly Bridge Club 2018: LG | Surly Bridge Club 2018: XL | Brother Big Bro 2021: Large (20) | Brother Big Bro 2021: xLarge (22) | On-One Bootzipper 650b 2019: LRG | On-One Bootzipper 650b 2019: XLG |