Bionicon c.guide repair

The weakpoint with the Bionicon c.guide is definitely the plastic part that the zip-ties go through to hold the guide onto the chain stay. The plastic is fairly brittle and thin, so in fairly short time it can break. It is available as a replacement part, but I decided to just make a slightly different system to fix the problem permanently.

Here's the part that breaks:


Broken c.guide clamp

Here's a replacement made from aluminium rod with two slots machined in (one on each end) to hold the zip ties:


c.guide repaired

C.guide back on the bike:


c.guide repaired and back on the bike

Note: this approach only works if the guide is not mounted on the rear derailleur cable.

Related articles:

Bionicon c.guide

Weighs 19g, two halves design makes installation easy. Seems very effective. Since installing on my daughter's 24" FS MTB she has not had a single dropped chain.

Pedal thread repair

Slightly damaged threads can be repaired by re-chasing the threads with a set of pedal thread taps.

Mesa Boogie .50 Caliber repair

Warning!!!

Magicshine (clone) battery repair

I noticed that my battery pack was giving me intermittent results, so I removed the heatshrink outer and found this:

Garmin Edge 500 screen repair

Symptoms

Motorola Defy+ Speaker Repair

Symptoms: earpiece speaker sounds crackly. May sound OK at lower volumes but at higher volumes crackles and distorts.