Ok, what is the actual width.  I interpolate on the slope and intercept of the published curves to get the curve for say a 29.5mm width.  tell me the actual width and I can get the 15% TDC pressure.
John Hawrylak
Woodstown NJ
 
 
 
On 09/11/16, Don Compton<dpco...@gmail.com> wrote:
 
Berto's old method does not take into consideration the benefits of wider rims.

On Sunday, September 11, 2016 at 9:06:17 AM UTC-7, John Hawrylak wrote:
Don

28mm tires at 60psig F & 70psig R supports a TOTAL Weight (rider & bike) of 175 to 180 lb for a 15% Tire Drop (Berto's method) assuming a 45%F and 55%R weight distribution (typical Rando)..

John Hawrylak
Woodstown NJ

On Sunday, September 11, 2016 at 12:16:21 AM UTC-4, Don Compton wrote:
I have been riding 700x28 Grand Bois Cerfs for years. Yesterday, I finally lowered my pressures down to 60f and 70r. Why did I wait so long?
My Roadeo feels like a German car with great shocks.

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