A rim brake takes the wheel in the tongs and rub with brake blocks on the right side of the rim. Such a rim is specifically designed for this and usually a bit heavier than a hub for rim brakes or disc brakes. Conceptually, this is the best way to brake a wheel, because the force is led by the only brake on the rim and the tire into the ground. Spokes, hubs and forks can be designed easily.
The brake levers are operated by hand and passed his hand over power to the wheels of a Bowden cable brake. Older versions of Bowden cables must be lubricated regularly. Some manufacturers have a special coating on the train, which will reduce the friction and must not be lubricated. In the absence of sealing water and dirt can penetrate into the cable housing, which increases the friction and promotes wear. At worst, the reverse brake arms due to the higher friction does not return to their original position and grind. It is important to regularly inspect the Bowden cables for wear and broken wires, especially at the terminal points and inside the brake handle. Broken wires can easily lead to rupture of the medial turn.
The trains operated via Bowden rim brakes brakes rarely evenly, which means that one of the brake shoes exert a higher pressure on the rim than the other. In part, the sanding pads are rubbing permanently on one side. It comes in uneven wear of the pads. The correct position of the brake pads and the setting of the return spring should therefore be checked regularly. Unter diffuser is, and then in the worst case, sogar Bremsklotz einkippen one block in the spokes and the wheel abruptly.
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