Lyla Bike Bottom Bracket 68-73mm Bicycle Axis BB Crank Set Axis Thread-type Red Cycling Bicycle

Description:Aluminum alloy construction and CNC machined technology mean exceptional durability.The cup body is made of acrylic material, lightweight, clear and fashionable.Ultra smooth bearings bottom bracket kit, sealed cartridge bearings.Provide smooth, quiet, efficient riding.Suit for mountain bike, road bike and BMX bike, etc.One size fits 68-73mm bottom bracket shell.Specification:Material: Acrylic + Aluminum AlloyHeight: approx. 9.8cm / 3.9inchThread: BC 1.37" x 24TInner Diameter: Ø24mm or 22mm×24mmPackage Includes:1 Piece Bottom Bracket2 Pieces O-ring Spacer