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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 395 526 388 472 372 495 374 443
Stack 621 518 607 649 586 695 662 757
Top Tube (effective) 638 617 557 719 544 664 587 727
Top Tube (actual) 585 653 495 581
Seat Tube C-T 529 426 581 638 492 636 384 445
Seat Tube (effective) 500 573
Head Angle 70 67 56 63 83 83 84 62
Seat Angle 81 70 83 77 77 83 64 74
Head Tube 135 132 137 190 131 136 185 185
Chainstay 444 430 455 434 486 359 469 375
Wheelbase 954 1142 1076 1155 906 968 1340 1062
Front Centre 731 903
Standover 710 830 762 885 753 724 767 826
BB Drop 59 56 65 52 51 60 68 58
BB Height 361 282
Fork Rake / Offset 48 48 41 36 53 52 60 60
Fork Length (A2C) 455 386 360 433 536 442
Seatpost Diameter 35 28
Wheel Size 29x2.4 29x2.4
Stem Length 95 95
Stem Angle 6 5
Crank Length 186 160
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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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