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Box Components Box Two BMX Chainring 38t 104 BCD 4-Bolt Aluminum Black CHAINRING BOX TWO BMX 104mm 38T 4B BK Made 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
Box Components Box Two BMX Chainring 39t 104 BCD 4-Bolt Aluminum Black CHAINRING BOX TWO BMX 104mm 39T 4B BK Made 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
BOX Two BMX Chainring 40t 104 BCD 4-Bolt Aluminum Black Hard Anodized Finish BOX Two chainrings are round and true. They fit 104 BCD four-bolt cranks and are feature a black anodized finish. Durable hard anodized finish 3.5mm thickness 79 grams / 2.78 ounces
BOX Two BMX Chainring 42t 104 BCD Single Speed 3/32 Aluminum Black BMX Bike CHAINRING BOX TWO BMX 104mm 42T 4B BK Made 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…
BOX Two BMX Chainring 45t 104 BCD Single Speed 3/32 in Hard Anodized Finish BOX Two chainrings are round and true. They fit 104 BCD four-bolt cranks and are feature a black anodized finish. Durable hard anodized finish 3.5mm thickness
