Road Sizing Chart


Giant Road Bike Sizing (Men's)

SizeRider Height (cm)
XS157 - 169
S165 - 175
M171 - 181
M/L177 - 187
L183 - 193

Giant Road Bike Sizing (Women's)

SizeRider Height (cm)
XXS149 - 157
XS155 - 165
S162 - 169

Trek Road Bike Sizing

SizeRider Height (cm)
47152 - 158
50158 - 163
52163 - 172
54172 - 178
56178 - 182

Cube Road Bike Sizing

SizeRider Height (cm)
47155 - 165
50165 - 172
53172 - 179
56179 - 185

The charts below show our recommended sizes based on height, but there are some other factors, like arm and leg length, that determine a great fit. That’s why you’ll see some overlap in our recommendations. Not every rider who’s 5´8˝, for example, will fit on the same size bike. The best way to find your perfect fit is to consult the experts at your local retailer.

Factor Bikes – Ostro VAM

RM24,799.00

An all-round quiver killer. Searingly fast, incredibly light, supremely comfortable.

Product highlights:

  • TeXtreme®, Toray®, Nippon Graphite® Pitch-Based Fiber Frameset
  • OSTRO Wide Stance Fork
  • Seatpost : Zero and 25mm setback available
  • Bart Stem : Black Inc VAM Reach 80mm, drop 125mm. Multiple stem lengths and bar widths available
  • Headset : CeramicSpeed 1-1/8″ and 1-3/8″ bearings
  • Head Diameter : 1-1/8″ upper and 1-3/8″ lower
  • BBB : CeramicSpeed T47A Aluminium cups / CeramicSpeed bearings with Wheels MFG 24mm BBRight Reducers/Adapters
  • MAX. Tire Clearance : 32mm
  • Brake Type : Disc
  • Cable Routing: Internal
  • Profile : Aero + All-rounder
  • WARRANTY : Limited Lifetime Warranty
NOTE : 🔴 CNY CLOSURE 20th - 25th Jan. Re-open 26th Jan. All online order will process on 30th Jan. No worries, your order shall be monitored from time to time.
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SKU: B10000528 Category:
Factor Bikes