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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 552 426 373 363 445 529 480 386
Stack 645 492 670 672 520 527 615 545
Top Tube (effective) 565 640 566 755 544 683 616 533
Top Tube (actual) 708 529 490 740
Seat Tube C-T 485 542 606 526 469 654 466 432
Seat Tube (effective) 564 695
Head Angle 78 67 79 84 62 72 72 79
Seat Angle 77 69 69 70 67 76 81 83
Head Tube 104 157 135 187 95 138 147 209
Chainstay 419 435 499 476 421 522 388 538
Wheelbase 1208 1214 1028 1112 1137 1284 964 995
Front Centre 624 723
Standover 752 665 736 857 754 833 814 875
BB Drop 77 66 50 52 62 50 82 69
BB Height 273 346
Fork Rake / Offset 49 50 39 40 53 44 75 78
Fork Length (A2C) 529 467 472 353 435 497
Seatpost Diameter 33 32
Wheel Size 29x2.4 29x2.4
Stem Length 86 100
Stem Angle 4 6
Crank Length 207 171
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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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