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1

You can replace the smallest cogs on cassette. For example see the "Building custom cassette" at http://sheldonbrown.com/k7.html. For example, Shimano doesn't make any true "corncob" (one-tooth-jump) cassettes for time-trialists or flatland riders. In 7 speed, the closest is the J (13/14/15/16/17/19/21). If you remove the 21-tooth sprocket from ...


2

In my opinion, the only time it is worth upgrading is after the part in question has worn out. If that is the case for you, and if you plan to keep the bike for a while, I would say that upgrading the cassette is a decent investment. We're not talking about a huge outlay to explore different equipment. Your experience might nudge you toward or away from ...


2

There's no harm in doing so, as long as you identify compatible components. You do take a hit on cost, by which I mean that components work out a lot cheaper when bought as part of the bike, rather than standalone. So economically it would probably make sense to stuff the money in a piggy bank, and save up for a new bike with better components, since when ...


5

As an owner of both 650c and 700c-wheeled bikes will happily share my thoughts. First of all, 650c wheels are lighter and obviously smaller which makes the whole ride more dynamic which can improve your maneuverability. On the other hand, 650c wheels are prone to sliding on stones or corners so you must be more careful when riding. 650c wheels spin faster ...


0

Ahh, no. The rims are different sizes, 700 vs 650, so obviously each will take a different size tire. Why do you want to change to a smaller wheel? Brakes likely will not reach rim. Bicycle would be closer to ground.


11

No you will not be able to use your 700x23c tire on a 650c rim. The bead seat diameter of 700c rims is 622mm, this will also be the bead diameter of the your 700x23c tire. The bead seat diameter of a 650c rim is 571mm (see Velocity's Spec section). Your 700x23c tire will be 51mm too wide.


0

For the question in the comment: You will have to move the brake pad a bit further down to adapt to the smaller rim. This may possibly lead to that you have to change the brake. Check how much you can lower the brake pad.


0

Best place to look is Sheldon Brown's famous site. http://sheldonbrown.com/tire-sizing.html I would suggest given the difference in diamaeter you will run into issues attempting to put your 700x23c tyres on a 650c rim.


1

It will likely work fine and you wouldn't need additional hardware so long as your skewer has enough extra space to accommodate the extra width of those mount plates and still secure snugly. As far as what you need to be aware of, I'd be conscious of how often you remove your rear wheel. If you do so with any frequency, this could be a nightmare. I have a ...



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