Crupi Cassette Cogs

Precision Alignment. Race-Proven Performance.

Crupi Cassette Cogs are engineered for BMX riders who demand the best chain alignment possible. Shimano compatible and designed to be reversible, each cog offers 1mm of spacing on one side and 2.2mm on the other — so you can fine-tune your setup for perfect chain line every time.

Available in lightweight 6061 T-6 CNC machined aluminium or tough 4130 Chromoly, Crupi cogs give you the choice of material to match your race goals.

• Shimano compatible — reversible design for optimal chain alignment
• 1mm spacing one side, 2.2mm the other for precise setup
• Available in 6061 T-6 CNC machined aluminium or 4130 Chromoly
• Sizes available: 14T, 15T, and 18T
• 16T aluminium cog weight: 0.49oz | 16T Chromoly cog weight: 1.34oz