The latest buzz with shifting cables is reducing friction for smoother, effortless shifting. To a lot of manufacturers this means PTFE(Teflon) coating the cables and the inner lining of the housing. While this is one way to increase performance, Yokozuna takes another approach. They forgo the PTFE coating, but offer two distinct features that achieve low friction and perhaps surpass the Teflon coating process.
First is their proprietary Jet Lube process. The cable housings are injected 'End to End' with proprietary lube. This lubrication makes the passing and movement of the cable in the housing super smooth and greatly reduces friction from the back and forth motion that occurs while shifting. To give you a better idea, think of a lubed chain vs. a dry chain or better yet, a car engine running with or without oil. To be clear these housings are completely filled with lubricant. They are void of dry areas and places for friction to occur and dirt and grime to work their way in the housing.
The other component here is the cable. Yokozuna cables use incredibly high-quality stainless steel and are wound so tight they are virtually stretch free. So imagine a solid, stiff and stretch-less cable sliding through a completely lubed piece of housing. The result is shifting bliss for an extended amount of time.
If you are looking for an increase in your shifting performance, you may consider giving this Jet Lubed cableset a try. We imagine you will be satisfied and even surprised at how well they shift and how long this increased performance lasts.
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The cable shifting worked well, really well. The inner coil cables rusted under the plastic covering. Biggest problem though was the ferrules were too big. I got them in, but when it came to coming out, they wouldn't budge. I ended up taking it to a local frame builder because I didn't want to screw up the frame, they tried and the cable stop actually broke off and had to be re-riveted. Boo.
I purchased the black Yokozuna shift cable set for Campagnolo. The first issue is that the ferrules are too long to properly fit into the brake/shift lever housings, where a tight bend requires a short ferrule, like the original Campagnolo ferrules. I used the Yokozuna ferrules anyway, and subsequent disassembly shows that the pressure from the bar tape actually bent the Yokozuna ferrules. Shift quality was excellent, though probably no different than a new Campy cable set. The larger issues is that after only three months of use, the outer plastic cover on the cable housing began to shrink and crack where it was exposed to the sun. The housing now has consistent cracks every 15mm down it's exposed length. Disassembly shows severe shrinkage at each end, where the cover has retracted about 4mm, exposing the wires of the housing. All cable housing covers shrink back a bit, but this is worst I've seen. And Campagnolo cables don't crack like this after years of service.
Pros: Excellent shifting
Cons: Short lifespan of cable housing cover