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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 448 460 444 358 379 389 423 440
Stack 489 683 548 691 697 563 643 712
Top Tube (effective) 707 549 718 585 669 540 649 678
Top Tube (actual) 490 529 563 581
Seat Tube C-T 549 632 421 570 448 597 479 439
Seat Tube (effective) 700 713
Head Angle 57 65 58 79 57 57 66 85
Seat Angle 85 68 79 61 67 70 63 80
Head Tube 134 119 158 148 123 113 133 226
Chainstay 353 497 431 452 502 390 441 496
Wheelbase 1146 1270 1307 1142 1053 1153 1047 1013
Front Centre 837 730
Standover 618 738 922 972 739 703 800 883
BB Drop 72 59 60 61 53 48 72 77
BB Height 251 332
Fork Rake / Offset 48 50 34 38 40 50 63 56
Fork Length (A2C) 405 490 476 446 541 461
Seatpost Diameter 26 25
Wheel Size 29x2.4 29x2.4
Stem Length 74 118
Stem Angle 5 4
Crank Length 188 182
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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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