By Anonymous from Anytown, USA on 06/02/2008
Pros: not much, dont even think theyre noticeable for the most part. unless your riding thruy the middle of the desert with no moon out and have someone looking right at you.
Cons: risk of damaging your tire-stem. at speed the weight of the knob will potentially damage your tire-stem as my bike mechanic pointed out.
Comments: heard from some local shop retailers that they arent even all that reliable and tend to die pretty quickly.
3 of 3 people found this review helpful.
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