"Cyber" road hubs
CyberRear / Type of Use and Rider Weight
The whole hub lineup named "Cyber" is specifically designed for Road use.
We do not limit rider weight since the structure of all our hubs is very well dimensioned.
However make sure your shortest gear ratio is in the "Road" range, that means not shorter than 1:1.
In case you need shorter gear ratio we recommend to use "Hyper" hub lineup that's specifically designed for MTB use where the gear ratio can be twice more short.
Additionally the whole "Hyper" lineup comes standard equipped with ABI 440c stainless bearings and additional external seals in order to withstand to the adverse environment of MTB riding.
Hub-Servicing / general
We warmly recommend to read well the instruction manuals and execute a cleaning-servicing by yourself.
If you need to replace bearings you get good guidelines on our Tech Tips area
In case you'll need a really full servicing you can send hub/wheel to us for a proper service.
(remind to ask for shipping instructions and authorization code)
As general rule we can't recommend bicycle mechanics for the servicing of Extralite hubs unless they are truly ready to follow our manuals very strictly.
That because our hubs work on rather different principles than the common brand/models on the market.
Regularly service your Hyper hub strictly following its instruction manual step by step (don't skip any step).
Again: never wrench or service Extralite hubs by instinct or only by past experience!
Micro-Tuner
All our hubs feature a device "micro-tuner" that offers a very precise setting of bearing preload.
Remind to execute the "micro-tuner" tuning after your wheel has been laced, see how on hub manual at the Bearing-Preload chapter.
Basic diagnosis
When the micro-tuner is correctly set you should not feel lateral movements at all.
- Axial play (lateral movement left-right of axle) will also produce play at the rim.
- Radial play (when you have up-down movement at the hub) means the outer part is wider than the inner part: worn our bearing or axle etc.
In all cases the freehub should not have any noticeable radial play.
If you have a noticeable radial play at the freehub check it well, probably a bearing is gone or so blocked that has worn-out the axle.
Hub-noises / general
In over a decade we never found a single hub capable of making noise by itself (unless with a completely blown bearing or freehub).
Once the hub has been properly serviced and micro-tuner position adjusted (see "bearing-preload" procedure on manual) I would recommend to investigate well on the hub peripherals.
That's to say:
- Spokes (that should not touch each other)
- Frame dropout (where even a small 0.2mm play of the axle can produce an annoying noise)
- Cog assembly (that doesn't need grease nor more than 25Nm torquing to stay properly in position).
- Remind that the cause of the noise is generally never where you suppose.
Keep the above well in mind and you'll be able to sort it out with some dedication.
Opening "Rear Axle-Ends" on Thru-axle models
Use only two 17mm closed wrenches.
Feel free to ask for additional tech info, we'll be happy to help!