Kerb weight - the bike with fluids ready to ride - is the most underrated number on a spec sheet. In Hanoi, weight matters at every red light, every parking push and every alley u-turn; power mostly does not.
The verified weight ladder
From manufacturer pages (retrieved 23 September 2026): Honda Wave Alpha 96 kg, Wave RSX and Blade 98-99 kg, Sirius RC 100 kg wet, Future 125 FI 104 kg, Super Cub C125 109 kg, CT125 117 kg, Exciter 155 VVA 123 kg wet, Winner R 124 kg, CBR150R 139 kg. Note the wet/dry distinction: Yamaha publishes wet weights for the Sirius and Exciter; Honda publishes kerb weights. Our wet-versus-dry weight explainer covers the difference.
Where you feel each kilogram
Low-speed balance: a 96 kg Wave Alpha can be paddled one-footed through a gap that stops a 139 kg CBR150R. Parking: Vietnamese kerbs, steps and tight rows punish heavy bikes daily. Stops: holding a bike upright at lights with a passenger aboard is significantly easier at the light end of the ladder. Recovery: picking up a dropped 96 kg bike is one job; a dropped 139 kg fairing bike is another.
What heavier bikes give back
Stability. Heavier machines sit steadier at highway speed and in crosswinds - one reason touring riders accept the CBR150R’s mass. The trade is real: weight is a tax paid in the city and repaid on the open road.
Practical advice
New riders in Vietnam should start at the light end - under 105 kg - before considering the 120 kg-plus classes. The Wave and Sirius rental classes (both 150,000 VND per day, price-published here) sit exactly in that friendly zone; contact us to confirm current availability of specific models.