Few freehub mechanisms carry as much weight with their name as the RingDrive. In this text we will dive into it to see what it offers as well as what lies inside of it.
The Layout
The mechanism itself consists of ratchet like drive ring and driven rings in addition to helical splines that guide rings together, and keep them that way whenever pedaling motion engages the mechanism. The helical spline structure is largely responsible for the RingDrive’s legendary strength and reliability.
In addition to the ingenious design itself, the placement of the mechanism is worthy of attention. All the workings of the RingDrive mechanism itself are located inside the hub, behind the driveside hub shell bearing. The location makes the hefty size possible, as well as protection from the elements. enabling its hefty size, and protection from the elements.
Performance
Buzzing sound is the best-known trademark of the RingDrive mechanism. The sound of angry bees is created by the strong, and dense 72 points of contact per rotation.
In addition to the well-known sound, and reliability, the RingDrive is as strong as a mechanism as it gets. The RingDrive is rated all the way up to 1000Nm of torque and is more than well capable of meeting the demands of all modern (street-legal) mid-drive EMTB motor.
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Bearings
RingDrive form one part of which the Chris King hubs are known for. Bearings are the other.
Chris King manufactures their own bearings in-house. No other hub manufacturer can say the same. Thanks to the in-house manufacturing with the highest standards, the bearings are fully serviceable, and can last a lifetlme (or riding career, which ever way one wants to look at it).
Where to Find?
The legendary RingDrive mechanism can be found from the following wheel sets which offer the legendary features – as well as the buzzing sound – in full.