• Shimano Ultegra Road Triple 68x118.5MM BB-6500 English-Thread Cartridge Sealed bearing bottom bracket. 
• Octalink V1 pipe axle.
• English threads, fits 68mm bb shells and 118.5mm axle for triple cranks.
• Complete and ready to use.
• Made in Japan quality.
• 8.8oz./253 grams.
• BB810.