Box Two 3/8" BMX Chain Tensioners - Pair - Silver 2.10 This cog is "lightened up"

This cog is "lightened up" version of the standard Profile cog

Valve: Schrader

More clearance for larger tires

Axle (F & R):  3/8" Bolt-On

The Eagle bars are Kink's first ever set of 4-piece bars

Box Two 3/8" BMX Chain Tensioners - Pair - Silver 2.10 This cog is "lightened up"Box Two Chain Tensioners let you dial in your chain tension so it's just right. Two mounting holes provide room for ample adjustment on most frames. When used properly, Box Two Chain Tensioners help protect frame dropouts and keep your rear wheels locked in place where they should be. Axle: 3 8" Material: Aluminum Color: Silver Logo design may vary from picture.