Description of TRP Spyke Mechanical Disc Brake Caliper Finally a mechanical disc brake for mountain bikes and fat bikes that offers superior performance and is a snap to set up. The Spyke is a dual sided mechanical where both pads actuate providing even and precise clamping force. This translates into even pad wear and, with the addition of a simple cable barrel adjuster, the pads can be adjusted easily and hassle free.
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