I would guess on 4mm. The worst that happens is you change em again! 😁 On Saturday, May 13, 2023 at 12:44:23 PM UTC-7 J Schwartz wrote:
> Well I already took the crank off > The spacers I used, which I really thought were the ones that came with > the Silver crank, are indeed 5mm > [image: IMG_0592.jpg] > > But they very well may not be the ones that came with > I also have a set of each of these two below. One is obviously larger > around than the other > -The larger diameter spacer measures 3mm tall > -The small diameter spacer measures 4mm tall > Which would be advisable to put on? > [image: IMG_0593.JPG] > Crazy to think that 1mm here or there would cause the issue of the chain > slipping down between the rings. > Also, as all this pertains to chainline.... > I should be referencing the middle chainring in my case to the middle of > the seat tube to get the appropriate chainline, correct? (Even though this > isn't really a triple, but a double with a bashguard in the large spot) > thanks > JS > On Saturday, May 13, 2023 at 2:56:12 PM UTC-4 John Hawrylak, Woodstown NJ > wrote: > >> *Suggest calling/writing RBW.* >> I recall a Grant write up a few years ago comparing the Silver to the XD2 >> 2 and I remember something about spacers on the 74mm BCD posts. >> >> If the crank is on the bike, you can measure the distance form the end >> of the seat tube to the teeth of the Middle and Inner rings using paper cut >> to size, and then the difference is the middle to Inner ring spacing and >> verify if > 5mm. >> >> For reference, my XD-2 with Sugino Rings have ring spacing > thr 5mm >> Shimano standard: >> Outer to Middle, 7mm >> Middle to Inner, 8mm >> >> John Hawrylak >> Woodstown NJ >> >> On Saturday, May 13, 2023 at 8:50:06 AM UTC-4 J Schwartz wrote: >> >>> weird question...but here goes >>> I disassembled a Silver triple and had it apart for awhile and recently >>> put it back together as a double with a bashguard. >>> So, it's Guard>40t>30t. >>> I think I may have used the incorrect spacers between the 74bcd 30t and >>> the 110bcd 40t...they were in my box of parts. I'm not sure. I think >>> there is too much space between those two chainrings ...a few times riding >>> recently, the chain wants to go down between them >>> Can someone tell me what size this spacers should be and how much space, >>> in general should be between two chainrings on a triple, 9 speed? >>> thanks >>> [image: IMG_0574.jpg] >>> >> -- 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 on the web visit https://groups.google.com/d/msgid/rbw-owners-bunch/3ca7edbc-ad8c-4f61-a557-118a7d979404n%40googlegroups.com.
