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2. Bead breaker - Wikipedia

   en.wikipedia.org/wiki/Bead_breaker

   A tire bead is held in the groove by air pressure. A bead breaker is a tool used for separating tires from rims. The innermost diameter of the tire that interfaces with the rim of a wheel is called the tire bead. The bead is a thicker section of rubber, and is reinforced with braided steel cables, called the bead bundle. [1]

3. Tire uniformity - Wikipedia

   en.wikipedia.org/wiki/Tire_uniformity

   The upper chuck lowers to make contact with the upper bead. The tire is inflated to the set point pressure. The load wheel advances to contact the tire and apply the set loading force. The spindle drive accelerates the tire to the test speed. Once speed, force, and pressure are stable, load cells measure the force exerted on the load wheel by ...

4. ISO 5775 - Wikipedia

   en.wikipedia.org/wiki/ISO_5775

   The overall diameter of the tire is then the rim diameter plus twice the tire's section height. The ISO 5775-1 standard also defines procedures for measuring tires and for calculating from the marking the maximum dimensions of a tire, which are needed by designers to determine clearance distances to other bicycle components.

5. Wheel sizing - Wikipedia

   en.wikipedia.org/wiki/Wheel_sizing

   Because wheel offset changes the lever-arm length between the center of the tire and the centerline of the steering knuckle, the way bumps, road imperfections, and acceleration/braking forces turn into steering torques (bump-steer, torque-steer, etc.) and thus, will change the drivability of the vehicle depending on wheel offset.

6. Talk:ISO 5775 - Wikipedia

   en.wikipedia.org/wiki/Talk:ISO_5775

   As can be seen, many different (by a few mm, enough to require different lengths of spoke) ERDs will be output by selecting different rims with the same tire seat. Of course a 26" MTB wheel is much smaller than a 700C road wheel, and as such the ERD will be less. That does not mean that the ERD is a function of tire seat. As the ERD is ...

7. Wheel truing stand - Wikipedia

   en.wikipedia.org/wiki/Wheel_truing_stand

   Two-armed wheel truing stand One-armed wheel truing stand. A wheel truing stand is a specialized tool for "truing" (straightening) bicycle wheels. [1] [2] Individual models differ slightly, but all consist of an axle stand on which the wheel can rotate and calipers, to measure slight deviations of the wheel's rim from ideal alignment.