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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 385 593 513 414 359 374 369 399
Stack 607 507 496 495 606 637 700 654
Top Tube (effective) 718 746 639 635 697 584 539 523
Top Tube (actual) 503 543 637 641
Seat Tube C-T 508 523 438 486 502 508 516 451
Seat Tube (effective) 597 745
Head Angle 76 76 63 74 71 57 82 61
Seat Angle 88 62 74 61 65 68 84 75
Head Tube 114 116 142 188 105 105 188 168
Chainstay 428 437 352 413 381 517 537 388
Wheelbase 1354 973 1308 1071 1294 1276 1000 1152
Front Centre 806 751
Standover 647 803 782 969 765 749 716 982
BB Drop 62 55 68 70 58 70 69 57
BB Height 257 337
Fork Rake / Offset 53 52 41 49 38 40 57 55
Fork Length (A2C) 477 548 467 409 449 397
Seatpost Diameter 26 30
Wheel Size 29x2.4 29x2.4
Stem Length 99 116
Stem Angle 6 6
Crank Length 162 158
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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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