Box components Box Two BMX Chainring 42T MFPN=00.5318.007.003 Extruded bladder design is durable

Extruded bladder design is durable resists damping change during extended downhill runs and has virtually zero pressure offset for small bump sensitivity

One simple flip of the lever on the Quick Strut release opens wide enough to easily clear a 31mm tire allowing for easy wheel removal

It is applied on a 60 TPI multi-layer casing offering race-tuned durability and abrasion resistance

21mm headtube insertion

BMC LSP 02

Box components Box Two BMX Chainring 42T MFPN=00.5318.007.003 Extruded bladder design is durableMade in the USA from 6061 T6 aluminum alloy Box Two BMX 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 45 teeth TECH SPECS Mount Compatibility 104mm 4 bolt Teeth 42T Type Material 6061AL Spec 3 32 Color Black Chain Compatiblity 1sp Tooth Type Standard Weight Offset