I would add a 1mm spacer to the drive side. The spacer is the same as a cassette spacer.
On Saturday, January 31, 2026 at 9:24:49 AM UTC-5 kw wrote: > Thanks everyone! > > @Scott- Thanks for sharing your experience. > @Danny - The NDS crank arm has plenty of clearance, thanks for idea to add > spacers. This is all a bit new to me, I've never done my BB or crank > installation before. Is there any downside to using spacers instead of a > longer BB? I'm assuming my NDS crank arm would be pushed out further but > beyond that? > @Patrick - Good point that I'll really only be in that ring for Low Lowish > gears. I guess I still worry the frame flex will hit the chainring teeth > regardless of the gears I'm in. > > All said, sounds like even just 2mm more clearance will be enough and will > give me peace of mind too! > > On Fri, Jan 30, 2026 at 1:26 PM Patrick Moore <[email protected]> wrote: > >> That gap looks fine to me; I expect you won’t be flexing the ring or >> frame a great deal in the Low Lowish combinations. FWIW, I’ve ridden >> similar gaps on several bikes with no problem. >> >> On Fri, Jan 30, 2026 at 9:32 AM kw <[email protected]> wrote: >> >>> Hi, >>> >>> I just completed building my new Sam Hillborne (my first time building >>> myself!). However, the inner chainring is very close to the chainstay and >>> I’m wondering what is the minimum clearance that’s thought to be safe? Riv >>> said the installed BB is 113mm. I wondering if I should get a 115mm or >>> 118mm BB? I’m running a Spa Cycles RD2 crank 44/28 double to 9 speed >>> cassette. Thanks for the help! >>> >>> -Ken >>> >>> [image: IMG_0303.jpeg] >>> >>> >>> >>> >>> -- >>> 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/4b6a7f7c-8611-4a10-8d14-d6de435b3714n%40googlegroups.com >>> >>> <https://groups.google.com/d/msgid/rbw-owners-bunch/4b6a7f7c-8611-4a10-8d14-d6de435b3714n%40googlegroups.com?utm_medium=email&utm_source=footer> >>> . >>> >> >> >> -- >> >> Patrick Moore >> Alburquerque, Nuevo Mexico, Etats Unis d'Amerique, Orbis Terrarum >> >> ------------------------------------------------------------------------------------------------------- >> >> Executive resumes, LinkedIn profiles, bios, letters, and other writing >> services >> >> >> ------------------------------------------------------------------------------------------------------- >> >> *When thou didst not, savage, k**now thine own meaning,* >> >> *But wouldst gabble like a** thing most brutish,* >> >> *I endowed thy purposes w**ith words that made them known.* >> >> -- >> > You received this message because you are subscribed to a topic in the >> Google Groups "RBW Owners Bunch" group. >> To unsubscribe from this topic, visit >> https://groups.google.com/d/topic/rbw-owners-bunch/cYebMRnfYzg/unsubscribe >> . >> To unsubscribe from this group and all its topics, send an email to >> [email protected]. >> To view this discussion visit >> https://groups.google.com/d/msgid/rbw-owners-bunch/CALuTfgvaEYS%3DQDwS%2B%3DrnZoe2C%3D3URA9hwTF0Be-2%3D1sP2ZCLqQ%40mail.gmail.com >> >> <https://groups.google.com/d/msgid/rbw-owners-bunch/CALuTfgvaEYS%3DQDwS%2B%3DrnZoe2C%3D3URA9hwTF0Be-2%3D1sP2ZCLqQ%40mail.gmail.com?utm_medium=email&utm_source=footer> >> . >> > -- 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/1b1d3422-4760-498c-a39e-b06cbb473056n%40googlegroups.com.
