Idler set for the return chain, consisting of: idler 50 mm stainless steel mounting material
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Idler set for the return chain, consisting of: idler 50 mm, stainless steel mounting material.
An extra idler in the return chain of a recument bike reduces the friction in the chain tubes, this set is used on nearly all Nazca bikes.
Idler with sealed ballbearing (6 mm hole) and O-ring.