Box Two Alloy External Bottom Bracket Color:Red Leather Heat Shield Panels with

Leather Heat Shield Panels with Kevlar® Stitching - located on the inside of each leg for durability and heat resistance

This is the perfect spindle to replace the 8-spline that came stock on your BMX Bike equipped with 3-piece OEM cranks

Pad Attachment Style: Threaded Post

Ratcheting Fly closure allows for adjustability and positive closure for a secure fit

Thread Pitch M8x0

Box Two Alloy External Bottom Bracket Color:Red Leather Heat Shield Panels withThe Box Two Alloy External Bottom Bracket is a great upgrade for your bottom bracket and will work with all 24mm spindles and frames with 68 or 73 x BC 1. 37 inch bottom bracket shells. Featuring machines alloy cups and precision sealed bearings. FEATURES Forged CNC Machined Alloy Cups High Impact Anodizing 24mm Outboard Bearings ABS Plastic Sleeve Precision Abec 5 Sealed Bearings SPECIFICATION COMPATIBILITY: Box Three, Box Four, Shimano HollowTech