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i needed to change my bearings in my rear superstar switch hub. all went well till i came to the freehub - there are 3 hairline cracks leading from the cut outs where the pawls go (very thin aluminium here - doesnt surprise me)
i havent got a spare hub / wheel so i carried on to change the bearings and reassembled the wheel obviously theres no way of knowing the cracks are there when pedalling - but im just nervous that at some point they will shatter the whole freehub and i will fly off into the bushes!
what do you reckon (apologies for poor image - there is another crack opposite this one)
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Mine went like that after about a year. I changed it to a steel one asap. I'd not want to be going out too far with a cracked one.
I had the same with a Hope Pro 2 Evo, the cracks started from the pawls and propagated the full length of the freehub all the way to the lockring.
I felt the hub not running freely about 5 miles into a 20 mile ride, however the cassette held the freehub together allowing me to complete the ride.
I'd get a replacement on order ASAP.
i was thinking of replacing the hub for a Hope pro 2 evo actually - tbh ive not been impressed by the superstar hub - it doesnt seem to be sealed very well meaning ive had to replace the bearings 3 times. Thanks