Help me with my Firebird build - chainguide, angle set, crank selection
Hey Folks -
Can you gurus help me with a few decisions on my new Firebird build? I have a 2011 size large and I plan to spec it with a middle-weight all mountain build - not too heavy not too light. I won't be hucking off 5 footers, I want a good climber and good descender that handles the gnarly stuff well.
Q1: I'll go 1x10 up front, 32t or 34t . . . can you suggest a light chain guide and/or bash guard combo - I'm thinking MRP Micro G2 SL mounted on the ISCG05 tabs, which has an upper chain guide, and a lower bash guard. Any feedback welcomed!
Q2: Crank chainlines: will any 1x crank work with a typical chain guide like the above? Or do I need to be researching and matching chainlines here?
Q3: Other crank compatibility questions: I'm thinking Truvativ Stylo 1.1, which has a bash-ring. I'm not wedded to Truvativ, but, its just convenient because my other bike is a SRAM build so I can mix/match BB's.
Will a crank with an outer bash-ring conflict with the lower bash guard or the chain guide like the MRP Micro G2 SL?
Can you recommend any other mid-weight, light 1x all mountain cranks?
Q4: Ok now to the head tube angle. I'm planning on a Fox Float 36 180. But, this will slacken the head angle a little. I prefer a 67.5 or 68-ish head tube angle. I think a stock firebird with its 170mm fork is a 67 degree HTA.
So I think I'll need an Angleset, but, which will I need? 1.0 degree or .5 degree? Has anyone experimented with this?
Thanks in advance for the help
I would think the new G3 would be super ideal on the FB. I think they are available now but not sure. Any "regular" crank will work - a 1X crank is really just a middle ring crank so it'll work OK. I would stay away from the Stylo as they are a bit weak (I broke one). You won't need a bash with the G2 or G3. I'd probably tend toward either the XT 3X crank with just your middle ring on it or a Saint DH 73mm. I'm running one on each of my bikes and actually prefer the Saint but you sound like you want to save weight.
Last - if you want the Float 36 180 (I'm running it), then just get a CC 110 low profile headset. It's something like a 3mm stack so it'll ride almost exactly like a 170 fork with a regular stack headset (think classic King height). You don't need the angleset, IMO.
Dirty Birds photo from the Mtbr Mountain Bike Photo Gallery
Nice! Great advice! Big thanks.
Nothing can stop me now
Go ride still has larges?
Yes sir, had my eye on it for a while and finally pulled the trigger @ $1400. Comp cyclist has 2012's for $1759 right now . . . But, they only had mediums. Also I'm trying to build this one at fire sale prices so i'll tell myself $360 for kashima coat and a 12x142 rear axle isn't worth it. Firebird's rear triangle is pretty well reinforced, which helps counter flex in the standard dropout on the 2011.
Ok bike is done! I was waiting for the fork to come in to LBS to finish it off. Its kind of a mishmash of parts right now but it works.
A friend convinced me I may want to go slacker over time with this bike, as I get used to it, so I went angleset on the front and I am currently .5 forward but thinking about .5 back after a ride around the block. We'll see after a couple good rides.
I'll probably have to wait till next Sat to hit the dirt with it unfortunately
Very nice build. Actually looks a lot like my bike. Make sure you cycle your suspension with the shock off the bike to make sure your chain is long enough. There's quite a bit of chain growth and some have snapped their hangers off not knowing about that. Enjoy!