Dirt Jump Bikes. any bike welcome as long as its dj or street

PB Forum :: Dirt Jumping & Street
Dirt Jump Bikes. any bike welcome as long as its dj or street
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Posted: Aug 13, 2022 at 9:45 Quote
SSBone wrote:
I would suggest trying a 28t one, as your rear cog is pretty big.

When having BMX cranks I ran a 25t sprocket with a 10t cog.

I don't want to start the ratio wars again, but 25 with 14 seems too light.


25/14 seems terribly light. like out of the ballpark light.

Posted: Aug 13, 2022 at 10:07 Quote
eagledog wrote:
SSBone wrote:
I would suggest trying a 28t one, as your rear cog is pretty big.

When having BMX cranks I ran a 25t sprocket with a 10t cog.

I don't want to start the ratio wars again, but 25 with 14 seems too light.


25/14 seems terribly light. like out of the ballpark light.

I got it wrong... my bike is a 25t/12t ... not 14 rear. my bad

Posted: Aug 13, 2022 at 12:09 Quote
Use a gear calculator and solve for gear inches. 25/12 is fairy close to 28/13 the latter being just a smidge taller. 30/14 is also in the ballpark.

Posted: Aug 13, 2022 at 21:25 Quote
RallySoob wrote:
eagledog wrote:
SSBone wrote:
I would suggest trying a 28t one, as your rear cog is pretty big.

When having BMX cranks I ran a 25t sprocket with a 10t cog.

I don't want to start the ratio wars again, but 25 with 14 seems too light.


25/14 seems terribly light. like out of the ballpark light.

I got it wrong... my bike is a 25t/12t ... not 14 rear. my bad
You can put a 28t in there with no problems, but you will need a longer chain, no sure if you have extra links on your current one.

Posted: Aug 16, 2022 at 8:35 Quote
I run 30/12 , wish someone made an 11t for regular freewheel

Posted: Aug 16, 2022 at 9:39 Quote
14pslope wrote:
I run 30/12 , wish someone made an 11t for regular freewheel

I think that might not be physically possible, considering the diameters of the usual freewheel thread and of an 11t sprocket.

Posted: Aug 16, 2022 at 12:17 Quote
I ended up just putting on a better 25t front sprocket...color matching black...odyssey brand. looks a lot better and makes drive feel bit smoother.

Posted: Aug 16, 2022 at 12:49 Quote
barp wrote:
14pslope wrote:
I run 30/12 , wish someone made an 11t for regular freewheel

I think that might not be physically possible, considering the diameters of the usual freewheel thread and of an 11t sprocket.
ya I think that's why, although technically you can use the end cog of a cassette and space out your chainring but that's sketchy

Posted: Aug 16, 2022 at 16:16 Quote
25/10 on 26 wheels street bike, and would bump it up for DJ purposes.

Posted: Aug 18, 2022 at 10:34 Quote

Next up: Spoon 32 wheel set, continental race kings 2.2 F&R....galfer rotors and then Im done

Posted: Aug 18, 2022 at 17:42 Quote
Sure you will be done- what does your wife read these forums lol

Nice bike though, I love dirt jump bikes

Posted: Aug 18, 2022 at 20:19 Quote
Why the Lizard Skins? No chain slap on a single speed, as long as your chain isn't loose.

Posted: Aug 18, 2022 at 20:37 Quote
I kno right.. i left out the pike forks for a reasonWink

Posted: Aug 20, 2022 at 16:43 Quote
I heard a rumor that Specialized was going to be discontinuing production of the P.3. Sad if true Cry

O+
Posted: Aug 20, 2022 at 17:41 Quote
seraph wrote:
I heard a rumor that Specialized was going to be discontinuing production of the P.3. Sad if true Cry

Just in time ....


 
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