Front single piston brake caliper and pads for the AJP brake system n scooters listed below. Good quality replacement caliper supplied as shown. Suitable for use on the following models with AJP brake system: Gilera Runner 50 -01 DD ZAPC1400 Runner 50 -98 DT ZAPC1400 Runner 50 PJ Purejet -05 ZAPC361 Runner 50 SP Carburettor 01-04 ZAPC36 MBK Booster 50 NG -98 4VA Booster 50 NG 99- SA05 Booster 50 Naked 10 inch 04-16 2B7 Booster 50 Rocket 96-99 4VA Booster 50 Track 97-99 4VA Nitro 50 -98 55BR Nitro 50 03-12 SA14 Nitro 50 99-02 55BR Nitro 50 Naked 05-12 4B0 Nitro 50 Naked 13- 1PL Nitro R 50 2T 13- 1PH Ovetto 50 2T 02-03 SA15 Ovetto 50 2T 04-07 SA21 Ovetto 50 2T 08-12 SA34 Ovetto 50 2T 13- 2AP Ovetto 50 2T 97-01 5AD Yamaha Aerox 50 -98 5BR Aerox 50 03-12 SA14 Aerox 50 99-02 5BR Aerox Naked 50 2T 13- SA424 Aerox R 50 2T 13-14 SA421-00 Aerox R 50 2T 14- SA421-01 BWs 50 12 inch 04-16 5WW Neos 50 2T 02-03 SA151 Neos 50 2T 04-07 SA211 Neos 50 2T 08-12 SA34 Neos 50 2T 13- SA451 Neos 50 2T 97-01 5AD Zuma / BWs 50 NG -98 4VA Zuma / BWs 50 NG 99- SA05