BOX One Single Speed Aluminum Cog delivers precision, performance, and a clean aesthetic for riders who demand efficiency from every pedal stroke. Built from high-grade 7075-T6 aluminum, this cog is lightweight yet impressively durable—perfect for racers and single-speed purists who value both speed and reliability.
With a 5mm wide inner base that creates a rock-solid interface on Shimano-compatible cassette hubs, the BOX One keeps power transfer crisp and consistent. Whether running a 3/32" or 1/8" chain, it’s designed for smooth engagement and lasting performance mile after mile.
CNC-machined 7075-T6 aluminum for exceptional strength-to-weight performance
Shimano-compatible design ensures a secure, precise fit
5mm wide base stabilizes load and protects your cassette body
Compatible with both 3/32" and 1/8" chains
Ultra-lightweight—just 14g for the 16T version
Ideal for single-speed MTB, BMX, or urban setups, the BOX One Aluminum Cog is the minimalist’s choice for maximum performance—proof that simplicity can still deliver serious speed.
Specifications & Identifiers
Cassette / FH Body Type
Shimano HG
Defined Color
Black
Material
7075 T6 Aluminum
Number of Speeds
Single
Tooth Count
13t, 14t, 15t, 16t, 17t, 18t
Black - 13t UPC
639266092360
Black - 13t MPN
BX-CO1575A13-BK
Black - 14t UPC
639266092377
Black - 14t MPN
BX-CO1575A14-BK
Black - 15t UPC
639266092384
Black - 15t MPN
BX-CO1575A15-BK
Black - 16t UPC
639266092391
Black - 16t MPN
BX-CO1575A16-BK
Black - 17t UPC
639266092407
Black - 17t MPN
BX-CO1575A17-BK
Black - 18t UPC
639266092414
Black - 18t MPN
BX-CO1575A18-BK
Tree Fort ID:
333222471914
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