pro bat front disc hydraulic brake master cylinder caliper assembly + 190mm/7.48" disc brake rotor + brake pads for 50cc 70cc 90cc 110cc 125cc chinese dirt bike pit bike atomik ssr apollo is up for auction in Automotive. The current bid is $2.00, 94% below the $35.99 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.