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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 468 435 498 359 372 524 344 397
Stack 488 604 685 530 510 715 571 632
Top Tube (effective) 626 637 496 690 512 559 547 703
Top Tube (actual) 586 711 712 720
Seat Tube C-T 398 590 559 624 440 479 557 605
Seat Tube (effective) 691 592
Head Angle 54 62 61 62 64 63 63 60
Seat Angle 81 70 78 74 83 67 62 72
Head Tube 112 159 116 194 102 100 153 169
Chainstay 405 383 401 420 530 403 449 437
Wheelbase 1170 1115 1114 1149 1286 1245 1261 1259
Front Centre 889 725
Standover 912 678 954 969 721 884 748 904
BB Drop 58 62 57 63 49 54 79 64
BB Height 344 318
Fork Rake / Offset 53 42 49 43 54 52 60 69
Fork Length (A2C) 398 557 466 448 469 575
Seatpost Diameter 37 27
Wheel Size 29x2.4 29x2.4
Stem Length 93 86
Stem Angle 6 6
Crank Length 199 176
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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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