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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 539 487 385 513 404 438 345 441
Stack 542 630 584 654 536 733 624 715
Top Tube (effective) 645 801 541 620 660 770 537 653
Top Tube (actual) 654 609 488 511
Seat Tube C-T 500 535 539 601 608 632 535 476
Seat Tube (effective) 570 660
Head Angle 59 75 66 74 62 59 79 75
Seat Angle 73 68 64 87 68 74 64 80
Head Tube 127 160 162 143 114 114 135 183
Chainstay 488 413 440 518 434 364 528 535
Wheelbase 1061 1440 1150 1180 1241 1326 1066 1303
Front Centre 729 771
Standover 615 911 661 846 876 884 873 1007
BB Drop 58 55 70 60 52 55 65 64
BB Height 263 284
Fork Rake / Offset 51 47 42 45 36 43 57 57
Fork Length (A2C) 549 550 405 373 410 414
Seatpost Diameter 36 30
Wheel Size 29x2.4 29x2.4
Stem Length 83 110
Stem Angle 6 5
Crank Length 176 196
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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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