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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 447 604 405 416 396 470 466 425
Stack 516 588 516 724 619 657 725 766
Top Tube (effective) 676 621 643 508 619 707 495 563
Top Tube (actual) 709 538 616 573
Seat Tube C-T 490 433 451 582 578 618 476 443
Seat Tube (effective) 599 553
Head Angle 57 67 82 75 69 77 82 62
Seat Angle 85 80 69 65 68 61 76 62
Head Tube 128 152 140 132 120 137 154 156
Chainstay 511 440 353 475 445 407 392 457
Wheelbase 1389 1199 1016 1029 899 1025 1266 1356
Front Centre 845 761
Standover 856 948 761 859 894 1022 862 1005
BB Drop 57 74 64 51 55 59 63 62
BB Height 263 316
Fork Rake / Offset 46 59 36 36 44 41 72 78
Fork Length (A2C) 547 528 432 422 561 570
Seatpost Diameter 28 26
Wheel Size 29x2.4 29x2.4
Stem Length 94 109
Stem Angle 6 4
Crank Length 149 167
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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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