Bicycle cables

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Brake lever reach

How far from the rim should the blocks sit? Or, how far back should the lever come before they reach the rim? Here’s another case for personal preference, but in the absence of one it is worth noting that the wheel rims flex laterally, especially when riding out of the saddle, and will rub on the blocks if set too close.

Just the right amount of grease on the brake inner wire

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Since modern brake calipers don’t flex much and offer loads of power, the blocks can safely be set so they come up against the rim as the lever comes about halfway back to the bars.

How close to the clamp should you cut the inner wire? Not so close that you can’t fit the end caps. Otherwise, as close as you like. Just make sure you do
 

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cut it and don’t simply leave it looped and dangling from the caliper or gear mech.

And, finally, fit the little end caps. They are as much a safety item as a neat way to finish the cut end of the inner wire; without a cap, the wire can – will – fray, leaving numerous pin-sharp and often oily strands, each capable of puncturing skin. Use a tool with rounded surfaces to crimp the caps; a cutting edge will go straight through the soft alloy.

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“And finally, fit the little end caps.

They are as much a safety item

as a neat way to finish the cut

without a cap, the wire can – will – fray”

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