BIKE CYCLE BOTTOM BRACKET CUPS SET WITH BEARINGTHREADED 24tpi 1.37 forBICYCLE BBA GOOD QUALITY REGULAR BIKE CYCLE BICYCLE BB BOTTOM BRACKET CUPS & BEARING SET THREADED 24tpi 1.37COMMONLY USED BOTTOM BRACKET SET FOR STANDARD, MTB, RACING, KIDS BIKESCHROME STEEL ADJUSTABLE CUP, ZINC FINISH FIXED & CAGED BEARINGSSTANDARD THREAD 1.37 X 24tpi AS USED IN ENGLISH, ISO, JIS BOTTOM BRACKETSSUPPLIED WITH FIXED CUP (36mm)ADJUSTABLE CUP (26mm)LOCK RING (3 PRONG TYPE)1/4 X 9 PRE GREASED BEARING RACESIF YOU REQUIRE AN AXLE WE CAN SUPPLY THE SET FOR 3.00, PLEASE SPECIFY YOUR AXLE LENGTH (LEFT/CENTRE/RIGHT)