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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 457 490 460 415 428 394 451 459
Stack 596 575 494 614 609 679 606 547
Top Tube (effective) 716 755 624 742 535 521 667 535
Top Tube (actual) 600 521 532 705
Seat Tube C-T 435 557 585 512 584 574 544 438
Seat Tube (effective) 527 565
Head Angle 70 74 65 67 64 71 73 63
Seat Angle 71 69 80 63 64 80 82 75
Head Tube 104 139 145 197 107 140 155 160
Chainstay 397 416 387 384 487 496 497 478
Wheelbase 1293 1201 991 1172 1318 939 1126 1253
Front Centre 688 911
Standover 680 782 866 826 737 856 918 1017
BB Drop 55 62 59 57 68 63 81 78
BB Height 320 249
Fork Rake / Offset 46 58 43 44 48 47 59 73
Fork Length (A2C) 478 403 346 398 498 510
Seatpost Diameter 28 28
Wheel Size 29x2.4 29x2.4
Stem Length 82 95
Stem Angle 5 5
Crank Length 153 168
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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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