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  2. ISO 5775 - Wikipedia

    en.wikipedia.org/wiki/ISO_5775

    The nominal width of a rim is the inner width between the straight sides or beads as one can easily measure it with a caliper (see the standard for drawings and exact measurement procedures). The standard widths of straight-side rims are: 18, 20, 22, 24, 27, 30.5. The standard widths of crochet-type rims are: 13C, 15C, 16C, 17C, 19C, 21C, 23C, 25C

  3. Bicycle tire - Wikipedia

    en.wikipedia.org/wiki/Bicycle_tire

    A separate airtight inner tube enclosed by the tire supports the tire carcass and maintains the bead lock. An advantage of this system is that the inner tube can be easily accessed for a patch repair or replacement of the tube. The ISO 5775-2 standard defines designations for bicycle rims. It distinguishes between Straight-side (SS) rims

  4. Bicycle wheel - Wikipedia

    en.wikipedia.org/wiki/Bicycle_wheel

    Fitting rim tape around 26 inch wheel (MTB). Rim tape protects the bicycle wheel's inner tube from spoke holes, which will puncture the tube if exposed inside the rim. Most bicycle rims are "clincher" rims for use with clincher tires. These tires have a wire or aramid (Kevlar or Twaron) fiber bead that interlocks with flanges in the rim. A ...

  5. Gear inches - Wikipedia

    en.wikipedia.org/wiki/Gear_inches

    For bicycles with 700c wheels, some cyclists quote gear inches based on a nominal wheel diameter of 27 inches, corresponding to the old British tire size of 27 x 1 + 1 ⁄ 4" (ETRTO 630). Strictly speaking, the rolling diameter of a 700c wheel may be significantly higher or lower than 27", depending on the tire size, e.g. nearly 27.5" for a ...

  6. Bicycle brake - Wikipedia

    en.wikipedia.org/wiki/Bicycle_brake

    The rod-actuated brake, or simply rod brake (roller lever brake in Raleigh terminology), uses a series of rods and pivots, rather than Bowden cables, to transmit force applied to a hand lever to pull friction pads upwards against the inner surface, which faces the hub, of the wheel rim. They were often called "stirrup brakes" due to their shape.

  7. Barrel threads - Wikipedia

    en.wikipedia.org/wiki/Barrel_threads

    3.8 mm depth countersink for the bolt head with a 17.9 mm diameter 1-1/16"-16 HS Precision 2000 ... Some suppressor tubes from SilencerCo, Dead Air, Griffin Armament ...