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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 | 496 | 517 | 424 | 535 | 422 | 452 | 365 | 496 | 528 | 479 |
| Stack | 514 | 703 | 610 | 537 | 581 | 602 | 667 | 607 | 615 | 669 |
| Top Tube (effective) | 753 | 637 | 513 | 704 | 522 | 678 | 507 | 664 | 697 | 704 |
| Top Tube (actual) | 554 | 721 | 583 | 520 | 684 | 505 | ||||
| Seat Tube C-T | 453 | 442 | 456 | 464 | 409 | 534 | 446 | 620 | 524 | 576 |
| Head Angle | 80 | 71 | 70 | 86 | 69 | 83 | 83 | 58 | 79 | 56 |
| Seat Angle | 88 | 71 | 58 | 83 | 72 | 76 | 75 | 58 | 63 | 85 |
| Head Tube | 148 | 126 | 110 | 178 | 172 | 154 | 114 | 135 | 187 | 206 |
| Chainstay | 478 | 434 | 367 | 495 | 429 | 422 | 379 | 374 | 356 | 472 |
| Wheelbase | 1144 | 1108 | 1220 | 962 | 934 | 921 | 1297 | 1345 | 953 | 932 |
| Front Centre | 659 | 942 | 632 | 722 | ||||||
| Standover | 844 | 665 | 966 | 945 | 917 | 711 | 742 | 959 | ||
| BB Drop | 66 | 62 | 57 | 70 | 58 | 66 | 50 | 51 | 50 | 57 |
| BB Height | 332 | 319 | ||||||||
| BB Type | BSA 73mm | BSA 73mm | ||||||||
| Fork Rake / Offset | 51 | 49 | 41 | 42 | 34 | 40 | 47 | 46 | 46 | 56 |
| Fork Length (A2C) | 397 | 526 | 387 | 427 | 447 | 458 | 446 | 525 | 407mm | 407mm |
| Seatpost Diameter | 32 | 30 | 31.6mm | 31.6mm | ||||||
| Wheel Size | 650b | 650b | ||||||||
| Tyre Max Width | 58mm | 58mm | ||||||||
| Handlebar Width | 626 | 768 | ||||||||
| Stem Length | 92 | 94 | 90 | 89 | ||||||
| Stem Angle | 5 | 5 | 6 | 4 | ||||||
| Crank Length | 149 | 151 | 175 | 142 | ||||||
| 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 |