Removable Seat Bike Lock by CoolShitiBuy This is the only bicycle seat that transforms into a bike lock. The Removable Seat Bike Lock is ideal for urban cyclists seeking comfort and bike security, the foam padded 8 1/4″ W x 10 1/4″ L saddle fits any...... 1 2,371 $149.95 via Hammacher Schlemmer Facebook Pinterest Save1 Check it out