Hydraulic Banjo Bolt Type Brake Switch. 10mm. x M1.25 with 24" Lead. Brake switch bolt can be fitted anywhere from the master cylinder to the caliper and is actuated by hydraulic pressure. Fits: All Hydraulic Brake systems on all 72-84 XS650's that use a single hose type banjo bolt.   Part #29-7002 $10.50 Ea.