BikesKHSVitamin B / Vitamin A

KHS Vitamin B / Vitamin A (fitness) geometry

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178 cm · 5 ft 10 in
auto85 cm · 33.5 in
Size S/15.5

Render Align 50%

Geometry

SizeXS/13S/15.5M/18L/20.5XL/23
Stack mm540550568596624
Reach mm384389402406411
Head tube angle °71.071.071.072.072.0
Seat tube angle °73.073.073.073.073.0
Head tube length mm105115135160190
Seat tube mm330394457521584
Chainstay mm440440440440440
Stack to reach1.411.411.411.471.52
Effective top tube mmi549557576588602
SizeS/15.5key specs
Stack-to-reach (size S/15.5)1.41
More aggressive (lower and longer) than 77% of flat-bar frames in the database at comparable sizes.

Closest geometry matches (size S/15.5)

Matched by stack, reach and head tube angle.

KHS Urban Xflat-bar, 2020–25S/15.5 · 550 / 389KHS Urban Xpress Disc2019–21S/15.5 · 550 / 389KHS Urban Xcapeflat-bar, 2025S/15.5 · 550 / 390KHS Urban Xpressflat-bar, 2020S/15.5 · 550 / 390KHS Vitamin C2015–19S · 550 / 390KHS Vitamin A / Vitamin B2014–19S · 550 / 390

More from KHS

Nearest size to the Vitamin B / Vitamin A S/15.5.

KHS Eastwood / Brentwoodcomfort hybrid, 2025S/15 · 603 / 372KHS Ultrasport 1.0 / 3.0fitness hybrid, 2025S/15 · 604 / 390KHS Urban Xcapeflat-bar, 2025S/15.5 · 550 / 390KHS Vitamin Cfitness, 2025S/15.5 · 551 / 390KHS Westwoodcomfort hybrid, 2025S/15 · 608 / 370KHS X-Route 300 / 100flat-bar, 2025S/15.5 · 556 / 388

Compare with another frame

KHS geometry chart · Frame stack and reach to the head tube top · Size finder assumes a 100mm stem on 20mm spacers · Report an error