This rear disc brake caliper fits many Chinese atvs.  They make a left and right hand version.  I think this one is considered a left.  Please check pictures and description before ordering.

Caliper details:

• Silver
• Single piston caliper
• Slide bolt distance: 89mm (3.5 in) center-to-center
• Overall length: 98mm (3.84 in) body only
• Overall width: 114mm (4.48 in) 
  
• Includes pads, bleeder screw and banjo bolt 

• Known to fit the Agritrax 2×4 atv.

  Know to fit the Linhai Big Daddy 260 atv.

  Known to fit the Linhai Bighorn 260 and 300 atv.

  Known to fit the Mano Talon LH260 LH300

  SHOP NOTE: After changing the caliper and filling the hydraulic oil, be sure to bleed the remaining air from the brake system to insure the caliper is working effectively.

  Shipping details:

  Do you need your caliper fast?  If you order before 3:00 pm CST, Monday thru Friday, your order goes out the same day.