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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 408 603 406 376 478 417 497 444
Stack 526 688 557 513 700 730 519 674
Top Tube (effective) 578 699 509 688 677 553 541 635
Top Tube (actual) 600 573 497 730
Seat Tube C-T 533 601 599 608 550 670 405 593
Seat Tube (effective) 664 607
Head Angle 55 64 75 75 65 80 81 70
Seat Angle 76 68 63 78 73 75 60 66
Head Tube 150 137 166 166 90 102 155 224
Chainstay 377 497 505 416 493 377 538 459
Wheelbase 1200 1277 1143 945 924 1311 903 941
Front Centre 757 878
Standover 623 661 745 952 740 1000 795 926
BB Drop 65 56 59 63 52 70 72 78
BB Height 274 360
Fork Rake / Offset 41 46 40 40 39 43 54 59
Fork Length (A2C) 500 382 447 436 410 454
Seatpost Diameter 34 36
Wheel Size 29x2.4 29x2.4
Stem Length 85 98
Stem Angle 5 5
Crank Length 204 150
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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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