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For use with standard Road triple cranks, but optimized for cranks with smaller rings such as 48/36/24t or 50/36/26t \n Brazeon fits frames with preexisting front derailleur brazeon or 28.6, 31.8mm or 34.9mm brazeon/bandclamp adapters
- bolt size:
- M6
- frame mount:
- 25.15mm (0.990)|aluminum