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  Kona Unit X 2020
 		Kona Unit X 2020
 		No image available for this bike.
 		No image available for this bike.
 		Brother Big Bro 2021
 		Brother Big Bro 2021
 		No image available for this bike.
 		No image available for this bike.
  Kona Unit X
2020: L
Kona Unit X
2020: XL
Surly Bridge Club
2018: LG
Surly Bridge Club
2018: XL
Brother Big Bro
2021: Large (20)
Brother Big Bro
2021: xLarge (22)
Velo Orange Piolet
2018: L
Velo Orange Piolet
2018: XL
To view geometry data you must use a web browser that supports JavaScript. See: browser-update.org
Choose Baseline
Reach 433 467 363 476 450 451 380 367
Stack 695 551 527 725 610 699 619 546
Top Tube (effective) 625 719 529 505 577 724 505 601
Top Tube (actual) 631 704 476 544
Seat Tube C-T 475 536 460 493 421 457 398 566
Seat Tube (effective) 637 667
Head Angle 58 74 71 61 70 70 64 84
Seat Angle 83 89 77 77 75 63 71 78
Head Tube 133 136 147 184 96 118 166 170
Chainstay 428 470 408 370 514 517 511 403
Wheelbase 946 1239 977 1001 1199 1188 1334 1319
Front Centre 701 700
Standover 814 881 859 683 829 753 812 945
BB Drop 59 68 52 71 58 65 73 58
BB Height 308 361
Fork Rake / Offset 43 55 46 42 53 44 68 56
Fork Length (A2C) 484 409 480 404 494 579
Seatpost Diameter 30 26
Wheel Size 29x2.4 29x2.4
Stem Length 81 97
Stem Angle 5 6
Crank Length 150 163
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  Kona Unit X
2020: L 		Kona Unit X
2020: XL 		Surly Bridge Club
2018: LG 		Surly Bridge Club
2018: XL 		Brother Big Bro
2021: Large (20) 		Brother Big Bro
2021: xLarge (22) 		Velo Orange Piolet
2018: L 		Velo Orange Piolet
2018: XL
Image showing geometry measurements

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