Blog: February, 2014

19 Feb 2014

What tension is it


I’ve been tinkering with my spoke tension utility (again). Periodically I want to know the tension of a specific spoke rather than the average. Not too important but interesting all the same.

I experimented with different ways of presenting the data but couldn’t find a perfect solution. The version released today will display tension when you hover the mouse over a given spoke, which is good enough though it doesn’t work on touch devices yet. Even so it was more difficult than it sounds. I verified it works with recent versions of Firefox, Safari, Chrome, Opera and Internet Explorer.

Other miscellaneous changes were bundled with this update. It now works better on a range of displays including tablets and phones, and updates itself when you resize your browser or rotate your device. The visualize button is gone too. Now the graph updates automagically.

I welcome problem reports by email. Include screenshots if applicable.

10 Feb 2014

Radially lace my hubs


My rims are shot so I’m looking for new rims and spokes. My hubs are going strong so I’d like to re-use them. This time I’d like to lace the front wheel radially…

It’s a pleasure to ride nice hubs and, as this rider knows, they can survive many sets of rims. But only re-use your hubs with the same lacing pattern used before. This is for safety. Changing from a cross pattern to radial is the most dangerous case and a notorious cause of hub flange cracks.

Campagnolo has always made nice hubs so I enjoyed overhauling and lacing these to Archetype rims. The rear hub needed help with pitted cones and sticky pawls but now it’s as good as new. The loose ball bearings were replaced on both hubs, which should be done as part of periodic maintenance. In the same way that regularly replacing your chain extends the life of cassettes and chainrings, replacing loose ball bearings saves your cups and cones. If you have nice hubs, take care of them and they will last forever. Good hubs can last through several sets of rims.