ZTTO BB109ITA Italian Threaded Central Axis Bicycle Ceramic Bottom Bracket •Italian-threaded bottom bracket,with threads on both sides being right-hand threaded •Commonly used in Italian bicycle frames •The inner diameter of the bottom bracket is about 36mm thread •Meticulously constructed with premium material,which ensures durability,strength,and smooth operation Specification: •Model: BB109 ITA70 •Material: acrylic + aluminum alloy + ceramic bearing Package included: •1 x Bicycle Bottom Bracket
Fruugo United Kingdom