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https://si.shimano.com/pdfs/ev/EV-DH-3N70_2N70-2290A.pdf
Looks like they might do, differentiated by wattage output
https://si.shimano.com/pdfs/ev/EV-DH-3N70_2N70-2290A.pdf
Looks like they might do, differentiated by wattage output
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MCamb
The 3N70 and 3N71 tended to crack their cones early (too thin) while the 3N80 worked like a dream for ages. I don’t know whether the 2N70 used the same cone design as the 3N70.