Steel SRAM Full Mount/UDH Flat Mount Dropout, 160/180 Rotor: Choose Eyelets/No Eyelets

Product Details

• Material: 1018 steel, includes right and left frame components
• Application: 
  • SRAM Full Mount derailleurs and Universal Derailleur Hanger
    • Meets all SRAM specifications
  • Front-style flat mount standard
• Alignment:
  • Symmetric, side-to-side
  • Eccentric, uses a bushing for alignment
    • Select a 0, 0.5 or 1.0 mm offset bushing (purchase from Related Products below)
    • For 0.5 or 1.0 mm bushings use a 2 mm hex key to rotate the insert, using the radial holes on the flange
    • The bushing is a structural part of the assembly and must be silver brazed in; once installed it is not meant to be consumer serviced
  • Use the chaintstay tabs to index right and left frame components
• Eyelets:  Select none or 4 each M5 x .8
• Brake Bosses:
  • For 160 or 180 mm flat mount (dependent on adapter orientation)
  • Two each brake bosses included
  • Fixture is required for proper alignment, see Related Products below
• Flat Mount Brake:
  
  • Uses the front-style flat mount standard
• Purchase Separately (see Related Products below):
  • Concentric or eccentric bushing
  • SRAM Universal Derailleur Hanger
    • Axle hole is threaded M12 x1
  • Skewer:
    
    • Available at a 23% discount with the purchase of a compatible dropout
    • Skewer and dropout compatibility are only guaranteed when used with a compatible Paragon Machine Works product
    • Sorry, no returns on skewers. Please check skewer drawings for measurements before ordering
  • Fixture

Watch it in action on our YouTube Channel:

• • Left Side: Installation of Brake Bosses
  • Right Side: SRAM Full Mount/UDH Clearance Mask

Assembly Instructions for installation of left side brake bosses using fixture:

IMPORTANT:

• All steps require that the builder is cleaning and deburring adequately
• All parts of the Brake Fixture and hardware are stainless steel; they can be soaked for flux removal
• This fixture can be used with any 12 mm rear dropout, assuming adequate clearance
• This fixture WILL NOT work for forks; the brake position is not correct
  

1. Complete chainstay/dropout joint
2. Install the Rotational Stop on the Brake Fixture piece using the supplied M5 x12 SHCS
3. Install a 1/2" long Brake Bushing in the rear hole of the Brake Fixture using the supplied M5 x 4 SHSS
   • Tighten the set screw gently
4. Install the 1" long Drill Bushing in the forward hole of the Brake Fixture using the supplied M5 x 4 SHSS
   • Tighten the set screw gently
5. Install the Brake Fixture on the left dropout inside face using the supplied washer and M6 x 20 SHCS
   • Make sure the Rotational Stop is touching the chainstay tab
6. Using the 1" long Drill Bushing as a guide, use a 5/16" drill or endmill to make a through hole in the chainstay
   • Use a hand drill or set up in a drill press or milling machine
7. Rotate the Brake Fixture away from the chainstay, exchange the Drill Bushing for a Brake Bushing
8. Install a Brake Boss in the 5/16" chainstay hole
9. Install a Brake Boss in the dropout saddle
10. Rotate the Brake Fixture to the chainstay
11. Bolt the Brake Fixture to both the front and rear Brake Bosses using the supplied M5 x 30 SHCS
12. Weld, braze or silver solder the Brake Bosses to the dropout and chainstay

Item sold as 4 piece assembly.