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Posted

I am looking at buying a new MTB that weighs about 2kgs less than my current one. It feels faster, but unfortunately did not have a speedometer. What difference would 2 kilograms make on a mountain bike?

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Posted

I think it depends where you lose the weight. I think wheels make the biggest difference in rolling resistance and weight. Got a scott spark with mavic training wheels with maxxis lust tyres (heavy) then my race wheels are 650b Amereican classic 1690 g with schwable 540g a tyre. The difference in weight is 1.1kg and it makes a huge difference.

Posted

Useless information but applicable here: A friend and I worked it out that per 1kg that you save on your bike it is equal to 5kg body weight.

 

It works out to about R5000 per kg to reduce your bike weight but 1kg.

 

When I was 10kg heavier, I'm now 70kgs, I noticed an improvement of about 2km/h average speed in a race situation.

Posted
  On 7/12/2012 at 9:38 AM, Barkie said:

I am looking at buying a new MTB that weighs about 2kgs less than my current one. It feels faster, but unfortunately did not have a speedometer. What difference would 2 kilograms make on a mountain bike?

A lot, I can feel it when I change between my carbon hardtail and my Ali Full Sus.
Posted
  On 7/12/2012 at 9:42 AM, Pieterg said:

If you are Barry a lot but for us immortals not a lot over 40km maybe 10-20 sec.Hope somebody can give a good answer

 

The question is... Who is Barry???

Posted
  On 7/12/2012 at 9:49 AM, TwiggzSA said:

A friend and I worked it out that per 1kg that you save on your bike it is equal to 5kg body weight.

 

How did you work this out?

Posted

The is no authorative question answer to this question. Guys who tried time trials up Alp du Huep (spelling?) found a kg made a few seconds difference and filling the wheels with water made a few more seonds difference but nothing major.

 

If you spent the money in shaving 2kg off your bike on a good cycling coach the performance difference will probabally be major...Barry excluded, of course.

Posted
  On 7/12/2012 at 9:38 AM, Barkie said:

I am looking at buying a new MTB that weighs about 2kgs less than my current one. It feels faster, but unfortunately did not have a speedometer. What difference would 2 kilograms make on a mountain bike?

Posted
  On 7/12/2012 at 10:02 AM, tedibear said:

my dad always says the best bike is one that gets ridden

so stop worrying about weight and go ride your bike

 

Never a truer word said.

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