YST Professional BMX Bottom Bracket Cup Set - Raleigh Burner etc - USA Large Shell

YST Professional

USA Large Shell BB Set
Ideal for your old school BMX
Supplied in YST retail box packaging

• Complete with both frame cups & set of 5/16" caged bearings
• 1 Fixed cone
• 1 Adjustable cone (L/H thread)
• 2x 5/16" Caged bearings (9 bearings per cage)
• Washers & lock nut

Standard size for BMX & Mountain bikes that use a solid 1 piece crank
Known as large shell / USA BB
24TPI

Frame cup shell size 51.3mm
Outside diameter of bearing cages 44mm

Will also fit threaded 3 piece cranks that use this large shell bottom bracket
If in any doubt please ask