I use these in a mini skywalker, they are fast and strong, but I've now had two fairly quickly develop the twitches which grows ever worse until they need replacing. Fortunately they are cheap, but no more from here on.

I use these in a mini skywalker, they are fast and strong, but I've now had two fairly quickly develop the twitches which grows ever worse until they need replacing. Fortunately they are cheap, but no more from here on.

I use these in a mini skywalker, they are fast and strong, but I've now had two fairly quickly develop the twitches which grows ever worse until they need replacing. Fortunately they are cheap, but no more from here on.

fantastic in the xk k130 need to change end and file horn a bit but makes it far more reliable

fantastic in the xk k130 need to change end and file horn a bit but makes it far more reliable

fantastic in the xk k130 need to change end and file horn a bit but makes it far more reliable