Nice post.

Always good to see someone being inovative and finding some way to work around a problem.

What type of forks are those, and how much travel do they have?

 

Thanks.



Forks are generic cheap ones I got off ebay. They came with crowns, complete wheel, disc brake, levers, throttle, cables for 175 bucks.

eBay Motors: INVERTED FORKS 12" WHEEL XR50 CRF50 XR CRF 50 PIT BIKES (item 360103354550 end time Dec-30-08 16:43:30 PST)



They are super heavy compared to the stock forks. They feel OK. They listed them as getting 6-7" of travel, but they seem to only be getting about 3.25". I am going to open them up soon and see what I can do with them.

 

Did you have stock forks on before you installed your inverted forks?

 

How is the travel of the rear shock? I was about to buy one when I saw the travel measurement. Is it really only 2 inches? The stock shock has 3.5 inches of travel.

 

its 2" of stroke but because of the ratio at which the rear wheel moves in comparison to the shock (basic leverage principles), the bike gets 3.5-4" of travel.



I dont think I lost any travel, but unfortunately didnt gain any either. Ironically, the shorter i2i Fast Ace shocks that have a reservoir have a longer stroke which will give the bike more travel. I just wanted to get the rear end raised up and stiffened up.

 

i haven't seen that shock and i have looked at shocks on ebay. it doesn't look like a bad shock at all. but fast ace doesn't have the best out of the box reputation. i heard if you get them rebuilt ect they can be a great product. how do you like it tho?

 

that is too true there "son" my FASTACE BS-66rc lasted 2 laps...it has a 1000lb spring which I thought was too stiff...well I hope to get a rebuild kit and maybe have some good things to say about FASTACE shocks...I like the forks

 

Yeah, I never thought about how high it sits up and the length of the swing arm. I guess they both can determine the travel length.



What size spacers did you use? Also, what tool did you use to adjust the preload?

 

Pip3r??

 

what crap is that..?? who thinks he can put a 390 lbs spring on a shock which is valved for 1200lbs is plain wrong...or the shock is a major POS...lol...anybody here heard about rebound damping ?? That shock wouldn´t even extend after a hit if you got a weak spring like that on it...hahahaha

 

rebound damping is adjustable and working fine...

Spacers are just regular old washers I had lying around. And the preload collar can be turned by hand.



Im not saying this is some amazing shock it just happens to seem like an acceptable, cheap solution. I havn't gotten much riding time on it so I dont know about durability.

 

I just installed the Fastace shock on a bw80 Yamaha. Actually fit very well with the rebound adjuster pointing towards the front of the bike. 1000 lb spring was way to stiff for the a-frame style swingarm. Purchased the McMaster 400 lb spring recommended. spring rate is better but the shock now coil binds before it gets full travel. The Fastace spring measures 5.5" and the McMaster spring is 5". I don't recommend the McMaster spring for this application. Anyone know of other springs available for this shock?

 

Purchased the McMaster 400 lb spring recommended. spring rate is better but the shock now coil binds before it gets full travel. The Fastace spring measures 5.5" and the McMaster spring is 5".

I had done the numbers as far as how much stroke my shock has, vs. how much free stroke is listed for the spring on McMaster. I cant remember exactly what it was but it was indeed very close. I have just been running the spring without much preload at all. It was close enough that with a bit of preload it probably would bottom out before the shock.