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This article is about a bicycle brake mechanism. For the hair product, see hair conditioner .
A detangler
The detangler , Gyro or rotor is an invention for the freestyle BMX bicycle, allowing the handlebars to turn a complete 360° rotation without the brake cables getting tangled up.A detangler is usually only used for the rear brake cable. The front brake cable can be routed through the stem , via a hollow stem bolt known as a Pott's mod bolt,and fork steer tube to avoid the tangling problem.