Tioga Double Alloy Chainring Bolts - 5-bolts - Black - USA Made 7 It has a 7/8" top

It has a 7/8" top and will fit most mid school and newer steel and chromoly BMX bikes

For use with any square taper crank

Battery Type: 2 AAA batteries (included)

The hardware shown on axles (jam nuts & cone spacer) are included

Tioga Double Alloy Chainring Bolts - 5-bolts - Black - USA Made 7 It has a 7/8" topThese bolts are made from aircraft quality 7075 T6 aluminum and designed for double chainring bicycles and thicker single chainrings. The nut is about 7mm deep. Sold as a set of 5 bolts. These bolts are made in the USA. These WILL NOT WORK for most BMX or single speed bikes with a single 5 bolt pattern ring. Color: Black