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7

Having a Felt F75 myself, I would recommend the following upgrade path from stock: Clipless pedals They take some getting used to, but behold the extra power and comfort! Tyres (and tubes). Vredestein Fortezza Tricomp or similar lightweight folding tyres will give noticeably better grip than stock equipment. Latex inner tubes will smooth the ride and ...


7

I'm not sure that anyone is going to be able to give you a definitive answer... especially since you are asking if your commute will improve by 30 seconds when the commute time you give has a range of 60 seconds. But 30 seconds out of 17.5 minutes is about a 2-3% improvement, which seems reasonable... The more interesting question would be "what can this ...


5

Believe it or not in the range of lengths you are looking at there is very little scientific support for there being any real discernible differences in performance (both in absolute power and metabolic efficiency). For the lengths you are considering I would suggest this is largely a personal preference choice. Crank length and maximal power If we are ...


4

I am not sure you are after "The quickest Boost food" - seems the problem you have is likely to be over an extended period. If your problem is say "they leave me behind up big hills" then maybe a "boost" is what you are after, but if its just keeping up over the duration of the ride, quick boost food is not good. The problem with the likes of Jelly beans, ...


2

Other answer is good - I got pulled away before I could finish this post I have nice day bike and a rainy day bike and they have less difference than those two bikes and pick up more than 30 seconds on the about the same commute even rainy bike on a nice day Factors: Overall bike weight Aerodynamics The drop bars reduce wind resistance More efficient ...


2

What are the other cyclists in your group eating? I go out for similarly long rides, and most people don't eat anything on the ride. I would say to make sure you are well fed (but not overly full) before the ride starts, and you probably won't feel the need to eat something for the ride. 50 KM at an average speed of 35 km/h will mean that the ride is over ...


2

Mars Bars are not that great for cycling. Yes, they have quite a lot of calories, so will give you some energy. But most of that is simple sugars, so it may be a quick energy boost, but soon followed by an energy crash. Also Mars Bars have quite a lot of fat (about 17g per 100g), so this can not be easily digested while cycling hard - it could just make you ...


2

Three things to check: 1, Is the bead seated correctly. It's pretty common to get tyres blowing off the rim if they're not seated correctly. That said, this usually leads to an exploding tube rather than the tyre just coming off 2, As Daniel R Hicks said, are the rims so worn they're expanding? 3, Check the rim for dings and warping as Malarky sort of says, ...


1

Energy gels such as GU Energy gels are a pretty common quick acting energy source. For a more natural source, you could try honey


1

Would you really want to ride on these tires that are falling apart? You need new tires. You may have to order. Biketiresdirect.com has 27s. Make certain the rim has no defects that prevent the tire bead from holding. Make certain the tires are seated all the way around the rim (pay particular attention to the area around the valve) and the tube is not ...


1

Many bicycle chains use different platings for the inner and outer links. Inner links are typically plated with a nickel/Teflon surface. Outer links will only get a nickel plating. The extra Teflon coating helps the inner surface of the chain glide over the cogs on the cassette. Here is a video of the manufacture process: ...



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