Marathon plus size

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barnesy

Well-Known Member
hey,

I am swapping my cateye strada computer over from my roadbike to my carrera subway which has marathon plus tyres size 26x1.75.

Problem is I lost the manual for the strada and I cant look up the tyre size. Does anybody know the size of a 26x1.75 tyre?

Thanks
 

Steve Austin

The Marmalade Kid
Location
Mlehworld
 

zacklaws

Guru
Location
Beverley
The link works for me, I have copied out the info for you:-
Thank you for rating this answer.

>>>To determine the most accurate calibration number for your application (tire choice, body weight, etc.), or if your tire size is not listed in the chart, perform a ‘tire roll out’.

To do a tire roll out:
1. Mark a spot on the floor, and line up the tube’s valve stem with it. You’ll want to choose the wheel that the computer’s sensor is being run on.

2. Running the usual tire pressure and with the rider’s weight on the bike, roll the tire out one full revolution. When the valve stem comes back around to the ground, make a second mark on the floor. Measure the distance on the floor from point to point.

NOTE: This is often best performed parallel to a wall, to ensure the roll out procedure is done in a straight line.

3. Record this number in cm if your computer requires a 3-digit calibration # (or multiply inches by 2.54 for cm). Record this number in mm if your computer requires a 4-digit calibration # (or multiply inches by 25.4 for mm).

4. Enter this number in your computer for your wheel circumference.<<<
 
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