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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 562 471 414 367 404 429 408 402
Stack 615 552 599 616 687 676 523 650
Top Tube (effective) 541 806 507 639 704 718 701 695
Top Tube (actual) 515 621 488 705
Seat Tube C-T 551 542 449 464 412 544 442 534
Seat Tube (effective) 688 560
Head Angle 66 67 77 57 59 67 68 63
Seat Angle 71 63 76 82 72 66 76 67
Head Tube 113 121 158 145 89 134 170 198
Chainstay 346 427 356 465 474 391 432 518
Wheelbase 1053 1094 1066 1192 1251 952 1284 1232
Front Centre 765 806
Standover 631 891 727 792 981 761 885 955
BB Drop 54 72 56 62 51 51 59 72
BB Height 319 283
Fork Rake / Offset 57 47 50 47 40 54 75 59
Fork Length (A2C) 550 451 389 439 431 483
Seatpost Diameter 36 35
Wheel Size 29x2.4 29x2.4
Stem Length 107 106
Stem Angle 6 6
Crank Length 171 172
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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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