Re: [RBW] FS: Used 54cm Soma San Marcos (SoCal)
Hi Jim, The TT length is a hair over 22 inches (55.88cm as Bill had mentioned). Please let me know if you have any other questions. https://lh5.googleusercontent.com/-WKfO5dTdSEo/U68gNoYHpfI/A6I/1pJtnYS3O2o/s1600/photo+%285%29.JPG @Bill--Thanks for the info about The Law of Sines! It's nice to see other people show how math really is relevant and can be used in real-life. It was nice to do the conversion of inches to CM and to get extra proof of your calculations. Incidentally, I teach 8th grade students for a living and we get to look at some of the algebra and geometry related to triangles. @Tim--I totally agree with you about the added value of shaving off the lawyer tabs. It's so nice to have the ability to quickly remove the wheel without having to adjust the front skewer. I couldn't agree with you more in regards to the San Marcos being a great bike. Had I not purchased a SimpleOne from a fellow member on the list, I'd be keeping this bike. The SM is such a quick, zippy bike and it always puts a smile on my face--the sparkly blue is also pretty fantastic in the sunlight. Now, if I could just manage to repaint my SO... (: Tony On Friday, June 27, 2014 7:55:51 AM UTC-7, Jim Bronson wrote: What's the (non-theoretical) TT on this frame? The TT listed on the Rivendell geometry charts is theoretical. On Fri, Jun 27, 2014 at 1:23 AM, Tony Lockhart alockh...@gmail.com javascript: wrote: *For Sale: 54cm Soma San Marco *(included: Tange headset, downtube cable stops, triangle frame bag) Sizing - fits just like my 56cm Sam Hillborne (and 58cm Simpleone) and has a stand over height under 32 inched with 700x28mm tires. You can probably squeeze in 32mm tires with fenders or 40mm tires without fenders (please verify this before you commit to purchase). https://lh4.googleusercontent.com/-ENtKc4hZYrc/U60GywKjFBI/A5A/_mBsogrHIBI/s1600/P1170119.jpg https://lh3.googleusercontent.com/-1GpF95XPqfY/U60HFh3zHhI/A5I/gzCyl5a4Rec/s1600/P1170120.jpg I purchased this frame in September 2012 and it has seen very light commuting use in Southern California (stopped using it in June 2013). Aside from very light scuffs from daily use, the frame is in great condition (mechanically 10/10 and cosmetically 8/10). When built up, the bike has never been neglected, dropped, dinged, or crashed. During the time I used the bike, I had different types of racks installed (VO rear rack and Nitto front rack). https://lh3.googleusercontent.com/-iyQC7jKdYzs/U60I8SjM_HI/A5g/TlS1rvuPc-c/s1600/P1170116.JPG https://lh6.googleusercontent.com/-BqoqWVQd1Vg/U60Ioqnyl3I/A5Y/ewxoo5ilWJo/s1600/P1170115.JPG I'm selling this frame in order to clear out garage space. I also do not have enough time to ride my Sam and SO, so it just makes sense to let someone else truly enjoy it. The reason I'm rating the frame cosmetics as 8/10 is because I ground off the lawyer tabs and the rear dropouts have some paint chipping from mounting wheels. Aside from those issues, the frame looks as good as when I purchased it. Here are some detailed pictures of the dropout areas: https://lh3.googleusercontent.com/-ZP4PzuoXX9s/U60KTDU1WVI/A50/kJkiXmK5VR8/s1600/P1170117.JPG https://lh5.googleusercontent.com/-oZk4-k9wbdA/U60KHq5RQgI/A5s/z83vSJpPfR4/s1600/P1170118.JPG https://lh5.googleusercontent.com/-oZk4-k9wbdA/U60KHq5RQgI/A5s/z83vSJpPfR4/s1600/P1170118.JPG *Price: $575 for local buyers, $650 shipped* -- 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 rbw-owners-bun...@googlegroups.com javascript:. To post to this group, send email to rbw-owne...@googlegroups.com javascript:. Visit this group at http://groups.google.com/group/rbw-owners-bunch. For more options, visit https://groups.google.com/d/optout. -- Keep the metal side up and the rubber side down! -- 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 rbw-owners-bunch+unsubscr...@googlegroups.com. To post to this group, send email to rbw-owners-bunch@googlegroups.com. Visit this group at http://groups.google.com/group/rbw-owners-bunch. For more options, visit https://groups.google.com/d/optout.
Re: [RBW] FS: Used 54cm Soma San Marcos (SoCal)
What's the (non-theoretical) TT on this frame? The TT listed on the Rivendell geometry charts is theoretical. On Fri, Jun 27, 2014 at 1:23 AM, Tony Lockhart alockhart...@gmail.com wrote: *For Sale: 54cm Soma San Marco *(included: Tange headset, downtube cable stops, triangle frame bag) Sizing - fits just like my 56cm Sam Hillborne (and 58cm Simpleone) and has a stand over height under 32 inched with 700x28mm tires. You can probably squeeze in 32mm tires with fenders or 40mm tires without fenders (please verify this before you commit to purchase). https://lh4.googleusercontent.com/-ENtKc4hZYrc/U60GywKjFBI/A5A/_mBsogrHIBI/s1600/P1170119.jpg https://lh3.googleusercontent.com/-1GpF95XPqfY/U60HFh3zHhI/A5I/gzCyl5a4Rec/s1600/P1170120.jpg I purchased this frame in September 2012 and it has seen very light commuting use in Southern California (stopped using it in June 2013). Aside from very light scuffs from daily use, the frame is in great condition (mechanically 10/10 and cosmetically 8/10). When built up, the bike has never been neglected, dropped, dinged, or crashed. During the time I used the bike, I had different types of racks installed (VO rear rack and Nitto front rack). https://lh3.googleusercontent.com/-iyQC7jKdYzs/U60I8SjM_HI/A5g/TlS1rvuPc-c/s1600/P1170116.JPG https://lh6.googleusercontent.com/-BqoqWVQd1Vg/U60Ioqnyl3I/A5Y/ewxoo5ilWJo/s1600/P1170115.JPG I'm selling this frame in order to clear out garage space. I also do not have enough time to ride my Sam and SO, so it just makes sense to let someone else truly enjoy it. The reason I'm rating the frame cosmetics as 8/10 is because I ground off the lawyer tabs and the rear dropouts have some paint chipping from mounting wheels. Aside from those issues, the frame looks as good as when I purchased it. Here are some detailed pictures of the dropout areas: https://lh3.googleusercontent.com/-ZP4PzuoXX9s/U60KTDU1WVI/A50/kJkiXmK5VR8/s1600/P1170117.JPG https://lh5.googleusercontent.com/-oZk4-k9wbdA/U60KHq5RQgI/A5s/z83vSJpPfR4/s1600/P1170118.JPG https://lh5.googleusercontent.com/-oZk4-k9wbdA/U60KHq5RQgI/A5s/z83vSJpPfR4/s1600/P1170118.JPG *Price: $575 for local buyers, $650 shipped* -- 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 rbw-owners-bunch+unsubscr...@googlegroups.com. To post to this group, send email to rbw-owners-bunch@googlegroups.com. Visit this group at http://groups.google.com/group/rbw-owners-bunch. For more options, visit https://groups.google.com/d/optout. -- Keep the metal side up and the rubber side down! -- 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 rbw-owners-bunch+unsubscr...@googlegroups.com. To post to this group, send email to rbw-owners-bunch@googlegroups.com. Visit this group at http://groups.google.com/group/rbw-owners-bunch. For more options, visit https://groups.google.com/d/optout.
Re: [RBW] FS: Used 54cm Soma San Marcos (SoCal)
Jim This is a fun law of sines problem. As we all know the theoretical top tube length is the one that tells you about fit, since it's the level distance from the seat tube to the head tube. But since you asked, here's how you set it up: We've got a triangle with three sides with lengths a, b and c. It has three angles: A, B and C that are opposite each of the three sides. The law of sines tells us that: a/(sin A) = b/(sin B) = c/(sin C) What this means is if you know a few of these, you can calculate the rest. The triangle I'm drawing has two top tube lines that intersect at the head tube: b = the ACTUAL TT and b = the THEORETICAL TT. The third side is c = the short line along the seat tube that connects the two top tube sides. Angle C opposite line C is the slope of the actual top tube = 6 degrees Angle B opposite the actual TT is the seat tube angle = 71.8 degrees Angle A opposite the theoretical TT is the rest = (180 - 71.8 - 6) = 102.2 degrees Since we know A, B, C and a, we can plug into the law of sines and solve a/(sin A) = b/(sin B) b = (sin B) * a/(sin A) b = (sin 71.8) * 57.5cm/(sin 102.2) = 55.88cm On Friday, June 27, 2014 7:55:51 AM UTC-7, Jim Bronson wrote: What's the (non-theoretical) TT on this frame? The TT listed on the Rivendell geometry charts is theoretical. On Fri, Jun 27, 2014 at 1:23 AM, Tony Lockhart alockh...@gmail.com javascript: wrote: *For Sale: 54cm Soma San Marco *(included: Tange headset, downtube cable stops, triangle frame bag) Sizing - fits just like my 56cm Sam Hillborne (and 58cm Simpleone) and has a stand over height under 32 inched with 700x28mm tires. You can probably squeeze in 32mm tires with fenders or 40mm tires without fenders (please verify this before you commit to purchase). https://lh4.googleusercontent.com/-ENtKc4hZYrc/U60GywKjFBI/A5A/_mBsogrHIBI/s1600/P1170119.jpg https://lh3.googleusercontent.com/-1GpF95XPqfY/U60HFh3zHhI/A5I/gzCyl5a4Rec/s1600/P1170120.jpg I purchased this frame in September 2012 and it has seen very light commuting use in Southern California (stopped using it in June 2013). Aside from very light scuffs from daily use, the frame is in great condition (mechanically 10/10 and cosmetically 8/10). When built up, the bike has never been neglected, dropped, dinged, or crashed. During the time I used the bike, I had different types of racks installed (VO rear rack and Nitto front rack). https://lh3.googleusercontent.com/-iyQC7jKdYzs/U60I8SjM_HI/A5g/TlS1rvuPc-c/s1600/P1170116.JPG https://lh6.googleusercontent.com/-BqoqWVQd1Vg/U60Ioqnyl3I/A5Y/ewxoo5ilWJo/s1600/P1170115.JPG I'm selling this frame in order to clear out garage space. I also do not have enough time to ride my Sam and SO, so it just makes sense to let someone else truly enjoy it. The reason I'm rating the frame cosmetics as 8/10 is because I ground off the lawyer tabs and the rear dropouts have some paint chipping from mounting wheels. Aside from those issues, the frame looks as good as when I purchased it. Here are some detailed pictures of the dropout areas: https://lh3.googleusercontent.com/-ZP4PzuoXX9s/U60KTDU1WVI/A50/kJkiXmK5VR8/s1600/P1170117.JPG https://lh5.googleusercontent.com/-oZk4-k9wbdA/U60KHq5RQgI/A5s/z83vSJpPfR4/s1600/P1170118.JPG https://lh5.googleusercontent.com/-oZk4-k9wbdA/U60KHq5RQgI/A5s/z83vSJpPfR4/s1600/P1170118.JPG *Price: $575 for local buyers, $650 shipped* -- 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 rbw-owners-bun...@googlegroups.com javascript:. To post to this group, send email to rbw-owne...@googlegroups.com javascript:. Visit this group at http://groups.google.com/group/rbw-owners-bunch. For more options, visit https://groups.google.com/d/optout. -- Keep the metal side up and the rubber side down! -- 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 rbw-owners-bunch+unsubscr...@googlegroups.com. To post to this group, send email to rbw-owners-bunch@googlegroups.com. Visit this group at http://groups.google.com/group/rbw-owners-bunch. For more options, visit https://groups.google.com/d/optout.
Re: [RBW] FS: Used 54cm Soma San Marcos (SoCal)
Jim This is a fun law of sines problem. As we all know the theoretical top tube length is the one that tells you about fit, since it's the level distance from the seat tube to the head tube. But since you asked, here's how you set it up: We've got a triangle with three sides with lengths a, b and c. It has three angles: A, B and C that are opposite each of the three sides. The law of sines tells us that: a/(sin A) = b/(sin B) = c/(sin C) What this means is if you know a few of these, you can calculate the rest. The triangle I'm drawing has two top tube lines that intersect at the head tube: a = the THEORETICAL TT, and b = the ACTUAL TT . The third side is c = the short line along the seat tube that connects the two top tube sides. Angle C opposite line C is the slope of the actual top tube = 6 degrees Angle B opposite the actual TT is the seat tube angle = 71.8 degrees Angle A opposite the theoretical TT is the rest = (180 - 71.8 - 6) = 102.2 degrees Since we know A, B, C and a, we can plug into the law of sines and solve a/(sin A) = b/(sin B) b = (sin B) * a/(sin A) b = (sin 71.8) * 57.5cm/(sin 102.2) = 55.88cm On Friday, June 27, 2014 7:55:51 AM UTC-7, Jim Bronson wrote: What's the (non-theoretical) TT on this frame? The TT listed on the Rivendell geometry charts is theoretical. -- 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 rbw-owners-bunch+unsubscr...@googlegroups.com. To post to this group, send email to rbw-owners-bunch@googlegroups.com. Visit this group at http://groups.google.com/group/rbw-owners-bunch. For more options, visit https://groups.google.com/d/optout.
Re: [RBW] FS: Used 54cm Soma San Marcos (SoCal)
Tony- I'd argue that you increased its value by grinding off those lawyer tabs. I use a fork mount rack in my pickup bed, and my Riv goes on easy peasy. Every time I load up my girlfriend's San Marcos I curse those tabs. One of these days, they have got to go. She absolutely loves the bike though; it's a beautiful frame that's quite versatile. :) -- 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 rbw-owners-bunch+unsubscr...@googlegroups.com. To post to this group, send email to rbw-owners-bunch@googlegroups.com. Visit this group at http://groups.google.com/group/rbw-owners-bunch. For more options, visit https://groups.google.com/d/optout.
