Yeah, like Patrick and Joe said, it's about intended use. I bet the DD passes a certain mtb safety test and the Periscopa does not. I think the DD is cold forged and heat treated, the Perisacopa wouldn't be.
On Friday, September 26, 2025 at 2:32:25 PM UTC-4 Joe Bernard wrote: > I've used both and as Patrick inferred the Periscopa probably wasn't > designed for singletrack use. If it's for a mellower ride it will be fine. > > On Friday, September 26, 2025 at 9:51:38 AM UTC-7 [email protected] > wrote: > >> hi, all. >> >> there is a family of stems referred to as the "dirt drop", usually >> designated with MT-10 or MT-10DX (i think the DX indicates a duller silver >> finish vs a shinier silver finish). >> >> there is a separate family of stems referred to as the "periscopa", >> sometimes designated with FU-82 or FU-82DX. >> >> both famililes are "forged aluminum", according to the nitto catalog. >> assuming i found a stem amongst them that seemed an appropriate size and >> shape, why would i choose one family over the other? is there some >> particular non-size non-money reason to avoid a periscopa? (in my >> experience periscopa stems are cheaper, but not in a "lugged nitto vs soma >> shotwell" way.) >> >> Yours, >> Thomas Lynn Skean >> >> -- You received this message because you are subscribed to the Google Groups "RBW Owners Bunch" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion visit https://groups.google.com/d/msgid/rbw-owners-bunch/73872dc6-7847-44d8-9715-b6b6736a7398n%40googlegroups.com.
