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If the cable breaks at the shifter and you have externally-routed cables, here's what you do: Hand-shift the bike onto a big cog on the rear by pressing on the derailleur as you spin the pedals. Tie the cable around the front cable stay on the downtube. Adjust as necessary to get the bike to hold a gear.


4

"Nothing is so broken you cannot make it worse" - breaking a perfectly good chain in the field, miles from nowhere, with a light weight emergency tool, would be my very last resort. This will only work if the broken end is not too frayed. Remove the cable completely from the outers and the shifter. Thread the cable though the barrel adjuster on the ...


0

They certainly are, and you have different alternatives depending on how much cable you where left with and the available tools. If the cable snaps towards the middle of a sleeve-less section (i.e. between cablestops in the frame) you may be able to tie a piece of wire. This will give you some shifting posibilities but don't espect full functionality, ...


0

One way to get around this problem is simply to take the derailleur out of the equation, and to ride the bike single speed. So, you first need to break the chain (so therefore you need a chain breaker on you), then unthread the chain from the derailleur. Your then going to thread the chain so it sits on one of the front rings, and one of the rear ...


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In the method Pete suggests you don't pick a sprocket as you don't have a horizontal drop out. Go small up font and a middle in the back for chain alignment and pick the best chain length. From there you may need to go up or down one in the rear to get chain tension. Is not going to be perfect. But tension and alignment is more important than the exact ...


0

You should pick up a copy of Allen Lim's cook book "The Feed Zone" the introduction explains a fair amount about exercise physiology. While on endurance pace rides don't eat anything for about the first 1.5 hours, this will train your body to efficiently burn fat. As others have said your body is burning fat in an effort like this, get your body use to ...


1

In my experience, eating any form of sugary food greatly increases the chances of a debilitating 'hunger knock' - all the more so if used to bridge times when your reserves are low. For me, sugar plays no part in any endurance diet. Reward, however, is another matter. Where I used to take a couple of (say) mars bars on every road trip, nowadays I take only ...


6

You don't mention where you get your calories burn/hour rate, but 800 cal/hour is a very fast ride. 800 cal/hour would be around 220 watts, and that's a lot for 6 hours. When you are riding, some of your energy is coming from carbohydrate metabolism, and some is coming from fat metabolism. The ratio between the two depends upon how hard you are riding, your ...


2

Why do you want to try and do this without sugar? Sugar isn't dangerous for you if your body is using the energy. I would also question the difference between getting sugar from fruit vs getting sugar from a protein bar. If you want high calorie/sugar intake from fruit, try to look for fruits that are higher in sugar/calories such as mango. You might ...


20

Most sources I've read suggest that your body can process at most 300 calories per hour during exercise. And a lot of sources suggest that you only attempt to replace roughly 200 calories per hour at best. You should be able to do this easily without any simple sugars. Your initial budget is much much larger than 1500 calories, you don't need to do a one for ...


1

I have riden 7 Ragbrais and nener needed any sugar packets or candy bars. Assuming you have the time to stop and eat real foods and you have trained your body well you should have no problem. On Ragbrai we ride an average of 70 miles a day for 7 straight days. Longest day is a century. You do need to train to keep this up. I eat a full meal at least every ...



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