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This guy's ad says that the chainring on his Steamroller is 70T. When I wrote to correct him, he sent two angry e-mails telling me that I didn't know what I was taking about and that his "cranks are 70 teeth," and theorized that my legs just aren't "strong enough to ride cranks that big." When I explained to him that no one even makes a 70T chainring, he replied that you can buy "cranks with 300 teeth" if you want.

Oh, and check out the quality install of the "Major tailor" bars LOL

Feel free to pepper him with questions.

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=190219559115&ssPageName=ADME:X:RTQ:US:1123
 

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Welcome back, Joe.

"gearing is 170X18." That's 1,056 inches, folks!

Corrected gearing of 70 x 18 is still 105 inches.

Hazzah! We are wusses.
 

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BianchiJoe said:
This guy's ad says that the chainring on his Steamroller is 70T. When I wrote to correct him, he sent two angry e-mails telling me that I didn't know what I was taking about and that his "cranks are 70 teeth," and theorized that my legs just aren't "strong enough to ride cranks that big." When I explained to him that no one even makes a 70T chainring, he replied that you can buy "cranks with 300 teeth" if you want.

Oh, and check out the quality install of the "Major tailor" bars LOL

Feel free to pepper him with questions.

https://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=190219559115&ssPageName=ADME:X:RTQ:US:1123
here's a 67

https://www.midcalracing.com/downhill/downhill_bike.htm

<img src=https://www.midcalracing.com/downhill/downhill_bike_files/image002.jpg>
 

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Bocephus Jones II said:
here's a 67
Let's see you ride that down a hill in SF. :eek:

Isn't that the same sized ring you have on your 29er? :D
 

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Pablo said:
Let's see you ride that down a hill in SF. :eek:
It's Dog Sloan's (Fixed). He wants to ride it down some hills in CA--at over 60MPH. :eek:
 

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threesportsinone said:
And MDT, the same place Fixed got that one, will make larger ones on request.
So theoretically that Moreon could have one on his Surly...I bet there isn't much ground clearance once you have a 70T on. :D
 

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In "Bicycle: the History" by David Herlihy, there are actually some pictures of policemen on bikes from around the turn of the century with huge front rings. There's probably a reason no one else has them . . .
 

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Pablo said:
In "Bicycle: the History" by David Herlihy, there are actually some pictures of policemen on bikes from around the turn of the century with huge front rings. There's probably a reason no one else has them . . .
There are plans on the net for up to a 92T....:eek:

http://www.ihpva.org/Builders/Sprocket/
 

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He probably meant 70 gear inches, although my guess is that -someone else- told him it has 70 gear inches and he thought it has '70' gear or something silly like that.

On an unrelated note, thats a really really tight bend from the paul e-lever to the cable hanger thing, seems like you would have to pull the lever pretty hard to get over all that friction.
 

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ProsperityRed said:
He probably meant 70 gear inches, although my guess is that -someone else- told him it has 70 gear inches and he thought it has '70' gear or something silly like that.

On an unrelated note, thats a really really tight bend from the paul e-lever to the cable hanger thing, seems like you would have to pull the lever pretty hard to get over all that friction.
a 50x18 would be right around 70.
 
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