Box Two BMX Chainring-4 Bolt Gear Size:38T • 1-1/8 stems available in

• 1-1/8 stems available in 45mm

Weight: 320g (72 links)

Removes four-notch BMX / single-speed freewheel from hubs with 1

65oz (189g)

No wheel removal required

Box Two BMX Chainring-4 Bolt Gear Size:38T • 1-1/8 stems available inThe Box Two Chainring 4 Bolt at J&R Bicycles is designed for lightweight durability to deliver high powered BMX speed and control smoothly and efficiently. It is built from anodized 6061 T6 aluminum alloy that has been optimized for stiffness and features precision cutouts for even more weight savings. The slick anodized black finish is detailed with laser etched graphics for some subtle style. The Box Two Chainring is compatible with 104 BCD 4 bolt