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10

You might want to take a look a this question which discusses the advantages of 29" over 26". 650b (or 27.5") falls somewhere in the middle and therefore performance characteristics will be somewhere in the middle of the two. For instance, 650b would be faster than 26" but slower than 29" at same chainring/cog. It would also roll over obstacles easier ...


6

They are primarily used for high-performance road bikes for smaller riders. There comes a point where a proper fitting frame for a smaller rider will have strange handling using 700c wheels. 650c wheels are designed to address that. Smaller riders can also have road bikes built with 26" wheels. So if you are of average height there is no significant ...


2

I have been considering this question lately. Here's my input... I understand that 650 wheels have advantages because: Less weight, less inertia. The less weight there is the easier it is for the wheel to accelerate, turn and climb. I understand that 650 wheels have dis-advantages because: Less popular than 700 & 26" with retailers, so potentially ...


2

Pinkbike recently did a little opinion piece it. To summarise they thought 29ers were better for open, fast XC; whilst the 26" dominated in downhill, technical sections. 650b (27.5") were considered to be poor in either domain, and not particularly liked by any of the 3 testers. But remember it's all opinion and it really depends on what you do with a ...


1

I'd agree with what Kibbee said that the 650B is essentially "somewhere in the middle" and it really DEPENDS on the type of riding you do. I did not test the 650 extensively, but being "better" is a very relative term. The 650 essentially is a compromise, so due to that, it is not better than the other platforms. HOWEVER, in my opinion, 650 is closer to ...


1

I know you tagged your question as "mountain bike", but there is also some interest in 650b for road bikes. Jan Heine of Bicycling Quarterly is keen on wide 650b tyres for comfort without loss of speed. ...we chose 650B because it offers the best handling with wide tires. The other reason you'd want 650b on a road bike is if you're a smaller rider ...


1

Since this might have really been a question about 650, I am going to answer if from perspective of why use 650B. 650B is common in Randonneur style bike, currently one of the more popular types of bikes being requested in the handmade bicycle market. 650B allows the use of 42 width tires with full fenders, big tires even at low pressure with 650B become ...


1

I'm in the USA and mostly ride on 700's so that is the angle from which I see this. 700C wheels are larger and will require slighty less energy to make them go round and round. If you have a really small frame (like an XS), though, these 700's may be large enough to cause toe overlap. In this case, you're hitting your toes on the tires when going around ...



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