Close look at CeramicSpeed Rocker Joint Roller Chain patent - is this disruptive innovation for the cycling industry, or mere pie in the sky?
derailleur cages. The latter, thanks to their over-sized pulley wheels, reduces the overall friction within a given drivetrain. It does that by reducing the required articulation angle between links of the chain and thus reducing the amount of sliding between the constituent components, i.e.: the pin, roller, and inner and outer plates.Indeed, the roller chain does generate undesirable friction thanks to those sliding surfaces –.
In order to access the low-friction benefits of a Rocker Joint chain for a multi-speed bicycle drivetrain, CeramicSpeed have come up with a new chain design that could see light of day on an all-new drivetrain. We reached out to Paul Sollenberger, Senior Product Manager at CeramicSpeed. Below is his pleasingly insightful response which, to no one’s real surprise, makes reference to reduced friction and wear.
“Recognizing these benefits, our team took on the challenge of overcoming design limitations that prevent existing rocker-style chains from being adapted for cycling use. Primarily, the amount of chain articulation required for smaller gears/cogs, the necessity of reverse articulation , varying chain line, and overall chain width confines”.
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