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That is asking a ton of a frame really. You will get into problems unless it has a cx bb drop and a 55mm tire on any bike it is asking the world in your wants. Hell with knobs those are massive.
You could just find a cx bike easy to fix the bb drop issues with running 650s but will only get away with probably 47s
RC 440 mm...440RC a bit long for my liking since I am size small maybe medium - longer than my enduro sled in fact. That looks right for L/XL sizing. Rest of the geo, looks spot on, except the seat tube is also tad long, so many need will run a shorter dropper post. Let's see if it get 2nd water bottle mount and how the suspension kinematics playout.
Updated geo chart attached. Longer wheelbase and front-center, higher/less bb drop. Still in production, may be done end of August.Nice! I'm on the short size of Small (5'5" - 165cm). Not sure I like the longer reach and WB. The reach is 15mm longer than my Enduro bike. But I appreciate them keeping it at 67HTA and not go too crazy towards downcountry. For an XC bike, I'm not to worried about the fork offset. Enduro forks are running 44 offset for longer stable trail number. The 51 offset will result in quicker steering which I think it's good for XC. If you want downcountry go for 44 offset, if you want XC go for 51 offset.
Also, chart shows 46mm offset for the fork but Adam claims 51mm is fine. Fox is currently selling the 34 step cast for $200 off, but only 51mm is available, 44mm sold out.
Latest update from Adam about the 120mm version. Currently in testing, almost ready for production, size Large by late July. It will use a 165x45mm Trunnion shock and 46mm offset fork (weird, I guess go for 44?).
Dear All:
Anyone looking for the Super light 29er full suspension carbon frame?
Our new mold SP-M861 being done, the sample would be available May.
SP-M861 is a 120mm XC race machine that looks as good as it rides. Modern geometry and clever suspension. Size M L XL can install 2 bottle cages
I just received an FM909 frame. I was deciding between the FM936 and FM909. For a similar performing frame, the FM909 was lighter. Identical geometry between the two frames. And I think the horizontal shock linkage in a Horst Link is often a more progressive leverage ratio than the vertical shock linkage. It probably depends on whether you prefer a slightly progressive, or a slightly linear/ regressive leverage ratio at the bottom of the stroke. Then there is the look of the bike to factor in. To me they were about the same as far as eye appeal.Do you know if the leverage curve and other suspension kinematics are posted somewhere for either the FM909 or FM936? I thought I saw them once, but the search here sucks.
I just received an FM909 frame. I was deciding between the FM936 and FM909. For a similar performing frame, the FM909 was lighter. Identical geometry between the two frames. And I think the horizontal shock linkage in a Horst Link is often a more progressive leverage ratio than the vertical shock linkage. It probably depends on whether you prefer a slightly progressive, or a slightly linear/ regressive leverage ratio at the bottom of the stroke. Then there is the look of the bike to factor in. To me they were about the same as far as eye appeal.Hey, I thought it saw it somewhere before, but are the suspension and leverage curves posted somewhere for the FM909 vs. the FM936?
