With ultra-smooth operation and a wide platform for a stiff ride, the Shimano 105 BB-5700 Bottom Bracket is packing plenty of performance for any rider or bike. The 5700 weighs just 95 grams and uses the same technology as its more expensive Ultegra and Dura-Ace siblings. 

The Shimano 105 BB-5700 Bottom Bracket comes in either English or Italian thread and is available in Black.