Troy Lee Designs D4 Carbon Lines BMX Race Helmet-Black/Red crank-brothers Compatible with FLY nose guards

Compatible with FLY nose guards

1 1/2" - 1 1/8" Upper with 1 1/2 Lower

but strong enough for mid level and beyond Full chromoly construction

Replaceable driving pin (#CTP)

Troy Lee Designs D4 Carbon Lines BMX Race Helmet-Black/Red crank-brothers Compatible with FLY nose guardsThe Troy Lee Designs D4 Carbon Lines BMX Helmet Black Red uses advanced tech to provide superior protection and comfort and tops it off with artistic flair. TLD has engineered this helmet with increased strength and added durability with very little weight gain. Featuring an integrated MIPS Brain Protection System to reduce rotational forces on the brain caused by impact. Instead of steel, the D rings are titanium to get just that little extra bit of