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DIA-COMPE 505Q brake caliper in vintage 45-57mm range.

The clamping of the dia compe 505Q is done behind the tube with a nut, ideal on some vintage frames (see photos).

  • Weight: 146g
  • External lock
  • Range: 45 to 57 mm
  • Cold forged aluminium

External clamping bracket available in longer range 57-75 mm:

Dia Compe

Created in 1949, DIA-COMPE is a historical and essential Japanese brand. Offering high-quality material, DIA-COMPE is particularly known for its cold forming techniques for aluminium.

See the brand