frame weights

Discuss light weight issues concerning road bikes & parts.
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hardy
Posts: 30
Joined: Sun Aug 06, 2006 9:18 am
Location: West Yorkshire, UK

by hardy

roughly how much do frames gain in weight as they go up through the size range?
ie, how mucjh more does a 56cm frame weigh, compared to a 54cm frame.
also which size frames do bike companies publish for the weight?
"no hour of life is lost that is spent in the saddle"
Sir Winston Churchill

mike
Resident Pro
Posts: 2453
Joined: Tue Mar 18, 2003 9:42 pm

by mike

for carbon/ti frames, it's not that much. may 20-30 grams each frame size up.

for steel, it's much more.

Skillgannon
Posts: 3603
Joined: Sat Apr 01, 2006 12:17 am
Location: A bigger rock in the Pacific (AUS)

by Skillgannon

Depends on material, manufacutring practices and engineering. Some companies will havea roughly linear scale - as in the weight changes are follow a predictable pattern due to the tubing sizes. Other companies take into account the general needs of larger/smaller riders and redisgn aspects of the bike (like the BB area) depending on the ride characteristics generally needed by different sized riders.

Theres no rule, depends on the bike. But I'd say at least 75-100g for every 4cm.

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