The Radio Sonar disc front hub is built for forks running a 100mm x 15mm thru axle and is drilled 32 hole. Shell and hardware are 6061-T6 alloy, and the hub weighs 320g.
Inside are two oversize sealed stainless bearings to keep water and grit out of the hub. Radio list it as a light MTB front hub, so it is a disc setup rather than a rim brake one.
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