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julio 22, 2026

Titanium 6AL4V Bottom Bracket Spindle 5/8″ Cook Bros Bullseye Fat Chance BMX MTB

FOR YOUR CONSIDERATION IS A NEW 6AL-4V (GRADE 5) 5/8" OD ISO SQUARE TAPERED SPINDLE. THERE ARE SEVERAL LENGTHS TO CHOOSE FROM.....CHOOSE YOUR LENGTH FROM THE DROP DOWN MENU. This slider type titanium spindle is being offered as a kit. The corresponding components with the purchase of this kit that are included are listed as follows: 2 aluminum lock collars w/ 1 set screw each (for adjusting the spindle into the proper chainline position), 2 stainless steel bolts and 2 stainless washers (for installing your crank arms), and 6 (2 of each different thickness) aluminum spacers for between your bearings and lock collars (and to fine tune your chainline). See the included picture of all corresponding parts associated with this kit. All of these corresponding NEW kit parts are manufactured and are compatible with each other and will function as they should. Pictures of complete bottom brackets are for reference only and are NOT included in this auction. These pictures of the complete bottom bracket kits (that show bearing retainers) are provided to indicate how this type of slider spindle is used as a complete bottom bracket kit with all the components needed to function when installed on a bike frame. If you need to complete your project/build and need American press fit cups/bearing retainers that are compatible with this spindle kit....I have them listed in another 1 of my auctions. This ISO square taper spindle being offered will be compatible with all cranks that have the same reverse ISO square taper. I have received a lot of inquiries over the years regarding the interchangeability between ISO and JIS tapered spindles. I have provided the following link in reference to this issue. It is provided as informational purposes and might answer some questions that you might have. Just copy and paste the following into your browser window to read up on it. https://www.sheldonbrown.com/bbtaper.html Shipping Info and Return Policy: Shipping will be with USPS with 2 options to choose from. 1) Ground Advantage mail w/ complimentary tracking OR 2) Priority if you want your package to arrive faster. eBay will forward all international packages to their destination with the Global Shipping Program. This/these item(s) being offered has a 30 day return policy. A full refund will be given for un-installed new parts only. Parts that show wear from installation or mis-handling will not be considered for a full refund. If you return a part(s) that shows wear/damage from mis-handling or installation a subjective re-stocking fee will be incurred and deducted from the original purchase price prior to any refund being issued. Thanks for your understanding. Please see my seller feedback rating and my other items in my other auctions. There are plenty of satisfied customers who have been buying my parts and you will be happy with your NEW part(s) purchase also - guaranteed for 30 days - less shipping charges. I can reduce shipping on multiple items purchased - add to your cart and request total from seller - please wait for the invoice to be adjusted being paying to reduce shipping charges on multiple items purchased. Often times multiple items purchased from this auction and my other auctions can also be upgraded to priority shipping. Feel to email with any questions. Thanks for looking.
julio 22, 2026

Mid Old School Hybrid Square Taper 19mm Spindle Bottom Bracket 4130 Profile BMX

For your consideration is a NEW 4130 Chromoly Square Taper Hybrid Spindle. These 19mm 4130 Chromoly spindles are made in the USA and the material they are made from is USA made also. These 19mm spindles have been expertly machined to fit perfectly with 3/4" ID bearings. These spindles are tapped for bolts which are included. These spindle lengths being offered were made with the mid school frames in mind. These spindles are being offered in 8 standard lengths. Please choose your length from the drop down menu. The reason for these spindles being a hybrid is because the 19mm main body of the spindle has the smaller standard 5/8" ISO square taper ends. If you have ever considered wanting to keep your mid school 19mm bottom bracket bearings/retainers in your frame, but wanted old school square taper cranks now you can do it with this newly introduced never before seen hybrid spindle. This slider type hybrid spindle is being offered as a kit and the corresponding components with this kit are listed as follows: 2 aluminum lock collars w/ 4 set screws (2 set screws per lock collar) for adjusting your chainline into proper position, 2 stainless steel bolts and 2 stainless washers for installing your cranks, and 4 aluminum (2 of each different thickness) spacers for between your bearings and lock collars. See the picture of all corresponding parts associated with this kit. All of these corresponding parts have been made to be compatible to function as they should with these 19mm spindles. Shipping Info and Return Policy: Shipping will be with USPS Ground Advantage mail w/ complimentary tracking. eBay will forward all international packages to their destination with the Global Shipping Program. This item being offered has a 30 day return policy. Returns will be accepted for un-installed new parts only. Parts that show wear from installation or mis-handling will not be considered for a full refund. Parts that are returned that show wear from mishandling/installation will not be eligible for a full refund as there will be a subjective re-stocking fee that will be incurred based on damage and will be deducted from the purchase price before a refund will be given. Thanks for your understanding. Please see my seller feedback rating and my other items in my other auctions. There are plenty of satisfied customers who have been buying my parts and you will be happy with your purchase also - guaranteed for 30 days with your purchase price refunded - less shipping charges. I can reduce shipping on multiple items purchased - please wait for the invoice to be adjusted being paying to reduce shipping charges on multiple items purchased. Often times multiple items purchased can also be upgraded to priority shipping. Feel to email with any questions. Thanks for looking.
julio 22, 2026

Mid Old School Hybrid Square Taper 19mm Spindle Kit Titanium 6AL-4V Profile BMX

For your consideration is a NEW 4130 Chromoly Square Taper Hybrid Spindle. These 19mm 4130 Chromoly spindles are made in the USA and the material they are made from is USA made also. These 19mm spindles have been expertly machined to fit perfectly with your existing 3/4" (.750) ID bearings. These spindles are tapped for bolts which are included. These spindle lengths being offered were made with the mid school frames in mind. These spindles are being offered in 8 standard lengths. Please choose your length from the drop down menu. The reason for these spindles being a hybrid is because the 19mm main body of the spindle has the smaller standard 5/8" ISO square taper ends. If you have ever considered wanting to keep your mid school 19mm bottom bracket bearings/retainers in your frame, but wanted old school square taper cranks now you can do it with this newly introduced never before seen hybrid spindle. This slider type hybrid spindle is being offered as a kit and the corresponding components with this kit are listed as follows: 2 aluminum lock collars w/ 4 set screws (2 set screws per lock collar) for adjusting your chainline into proper position, 2 stainless steel bolts and 2 stainless washers for installing your cranks, and 4 aluminum (2 of each different thickness) spacers for between your bearings and lock collars. See the picture of all corresponding parts associated with this kit. All of these corresponding parts have been made to be compatible to function as they should with these 19mm spindles. Shipping Info and Return Policy: 2 shipping options are available.....choose 1 when checking out. eBay will forward all international packages to their destination with the Global Shipping Program. This item being offered has a 30 day return policy. Returns will be accepted for un-installed new parts only. Parts that show wear from installation or mis-handling will not be considered for a full refund. Parts that are returned that show wear from mishandling/installation will not be eligible for a full refund as there will be a subjective re-stocking fee that will be incurred based on damage and will be deducted from the purchase price before a refund will be given. Thanks for your understanding. Please see my seller feedback rating and my other items in my other auctions. There are plenty of satisfied customers who have been buying my parts and you will be happy with your purchase also - guaranteed for 30 days with your purchase price refunded - less shipping charges. I can reduce shipping on multiple items purchased - please wait for the invoice to be adjusted being paying to reduce shipping charges on multiple items purchased. Often times multiple items purchased can also be upgraded to priority shipping. Feel to email with any questions. Thanks for looking.