Chainrings & Cogs

Made in the US from 6061-T6 aluminum alloy, Box Two™ Chainrings are round and true. They fit 104 BCD four-bolt cranks and are available in black anodized with laser-etched graphics from 38 to 46 teeth.

Custom design 4-bolt decimal chainring 1/2x3/32 alloy 7075-T6 5.0mm thick, CNC made, CNC DANGERBOY logo, CNC teeth after anodized in Black, Blue, Gold, Purple, Red and Silver.

Custom design 4-bolt decimal chainring 1/2x3/32 alloy 7075-T6 5.0mm thick, CNC made, CNC DANGERBOY logo, CNC teeth after anodized in Black, Blue, Gold, Purple, Red and Silver. 

CNC machined DB Chainrings are stiff and light. 3mm thickness option. Six Anodized colors options.  7075 Aluminum Chainring bolts + allen key included. Material: 7075-T6 Aluminum Process: CNC Machined Finish: Anodized with machine engraved accents  Compatibility: • BCD: 4 Bolt - 104mm • Chain: 3/32” Size:...

New Dangerboy chainring. 5mm thickness option.  CNC machined to be stiff and light. Two Anodized colors options; Silver or Stealth Black 7075-T6 Aluminum Chainring bolts + allen key included. Material: 7075-T6 Aluminum Process: CNC Machined Finish: Anodized with machine engraved accents  Compatibility: • BCD: 4 Bolt -...

DB Offset Reversible Cog made of 7075-T6. The Cog has a built in spacer that can be installed on either side to minimize the use of spacers. Custom design 1/2x3/32 5.0mm thick, CNC made, fit Shimano driver available in Black, Blue, Gold, Red, Purple and...

Specially developed for BMX Racing, the DB cogs are made of heat-treated stainless steel for better durability and strength. DB Single-Speed Chromoly Cogs are CNC-machined designed to fit Shimano compatible cassette hubs and has a 5mm wide inner base, giving a more solid interface...

Specially developed for BMX Racing, the DB cogs are made of heat-treated stainless steel for better durability and strength. DB Single-Speed Chromoly Cogs are CNC-machined designed to fit Onyx Ultra SS compatible cassette hubs and has a 5mm wide inner base, giving a more...

Tangent’s unique profile adds strength without compromising  weight 110mm hole pattern High tooth profile for accuracy and to hold even the tallest chains CNC out of 6061-T6 aircraft aluminum for highest quality Designed for single, 8 or 9 speed chains Available in 6 colors...

The Sinz 110bcd sprocket is the perfect match for your Sinz Square Tapered crank setup. This sprocket is ready to take a young pocket rocket straight to the podium, not only in style, but for less than it will cost you to get Cracker...

The Avian 4-Bolt BMX Chainring, ranging from size 36t to 50t, is a 104bcd chainring for riders with first straight pull. These gears are CNC machined 5mm thick 7075 alloy, certified for all the watts and suited for all stallions in the stable. Also available...

High tooth profile for accuracy CNC cut from 6061-T6 aircraft grade aluminum for highest quality Designed for single, 7 or 8 speed chains Available in 6 colors Black, Red, Blue, Gold, Purple & Gun-Metal Available in 36T-50T   104mm BCD Machined in Sacramento US of A

4 bolt CNC machined chainring AL 7075 36-50 black, blue, 

7075  Aluminum Cogs featured on our Lite Cassette Hub are super light. Available separately from 18T all the way down to 14T. Shimano compatible

Tangent Rear Cassette Cog -7075 Aircraft Alloy -Shimano Compatible -Tangent Race Graphic

Specifically designed for Onyx BMX Ultra SS hubs Available in 14, 15, 16, 17, 18, 19 tooth count Stainless finish 

Box One Single-Speed Chromoly Cogs are CNC-machined from long-wearing CNC-machined from chrome-molybdenum. It's designed to fit Shimano™ compatible cassette hubs and has a 5mm wide inner base, giving a more solid interface with the cassette body.  

Proprietary Sd-X Sniper Cassette Cog - Steel - Junior/Expert/Pro - 14, 15, 16, 17, 18 Tooth

Offering an excellent price / performance ratio, the INSIGHT chainring is specially designed for BMX practice. Made from an aluminum that is as light as possible, it provides enough rigidity by giving you an optimized power transmission for speed taking and relaunching. It is...