RIDEA - BSA 24 / 30 AL Ceramic BB 瑞士鋁合金 陶瓷軸承 BB 系列

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Our classic threaded bottom brackets in a variety of colors: black, red, gold or silver. All bottom brackets (except RS BSA 24) are available with ceramic ball bearings with steel races. As an option, higher quality bearings with stainless steel races and 4 years of warranty are also available. RS BSA 24 has steel ball and races bearings.RS cups are made of AL6066 running steel ball bearings. LS cups are made of AL7075 running ceramic ball bearings. P/N Frame compatibility BB shell width BB shell diameter Spindle Ø compatibility Weight LS BSA 24 BSA 68 mm73 mm 1.37x24 TPI 24 mm 87 g RS BSA 24 BSA 68 mm73 mm 1.37x24 TPI 24 mm 98 g LS BSA 30 BSA 68 mm73 mm 1.37x24 TPI 24/25/29/30 mm 88 g LS ITA 24 Italian threaded 68 mm70 mm 1.37x24 TPI 24 mm 99 g LS ITA 30 Italian threaded 68 mm70 mm 1.37x24 TPI 24/25/29/30 mm 92 g Show more