FREE SHIPPING FOR LIMITED TIME - NO CODE NEEDED*SHIPS NEXT BUSINESS DAY *SHIPS TO CA, NV, AZ IN 1-2 DAYS *SHIPS ANYWHERE IN THE USA IN 2-5 DAYS *365 DAY RETURN POLICY *SUPER SECURE CHECK OUT *INCLUDES FREE STICKERS Stacked official word: Your Box three pro disc cassette rear hub is a great quality hub to either convert to or ready for a disc brake bicycle. The hub is machined out of high grade aluminum with heavy duty sealed bearings throughout. It has a 110mm spacing to fit most bmx frame including 12" all the way up to 29". This hub fits many models like the big ripper, big flyer, Bassett, elf, Gary turner, redline, GT and many more of your favorites. I comes with a 16t Shimano compatible cog which you can switch out to other sizes. If you need a disc brake on a bmx bike, this is your chance. Box Components word:The Box Three Pro Disc Hub is offered with or without a disc. Made of a 6061 T6 aluminum hubshell and containing a 6-bolt rotor, this pro disc hub offers 4 pawls 120 points of engagement, made for speed. Weighing roughly under 445g which includes the disc, this pro disc hub is ideal for racing. Specs: driver: Shimano compatible Driver bearings: sealed Axle: 3/8" female Holes: 36h Hub shell material: 6061-T6 aluminum Bolt: 8mm hex hub guards: non hub Bearings: sealed drive side: RHD Drive Side Effective Flange Diameter: tba Non-Drive Side Effective Flange Diameter: tba Drive Side Flange to Center Distance: tba Non-Drive Side Flange to Center Distance: tba Weight: tba Shipping: THIS ITEM ONLY SHIPS FEDEX or UPS GROUND. Free shipping is available on this item. More shipping info here. ***Every Online order comes with a bunch of stickers and FREE stuff from your favorite brands. The more you order the more we throw in. Stacked Always giving back.