RR-251 : "SEBCO" BB Cups (Phillips type)
34.8mm x 24 TPI BSCY RH & LH threads
35.5mm x 24 TPI BSCY RH & LH threads
36.0mm x 24 TPI BSCY RH & LH threads
Finish : Black/ZP/BCP

RR-252 : "SEBCO" BB Cups (Raliegh Type)
34.8 (1.370") x 26TPI RH & LH
34.8 (1.370") x 24TPI RH & LH
Finish : Black/ZP/BCP

RR-253 : "SEBCO" BB Cups (French Type)
35mm x 1mm pitch ISO metric RH & LH threads
Finish : Black/BCP

RR-254 : "SEBCO" BB Cups (Italian Type/Hex)
36mm x 24TPI WW RH & LH

Bottom Bracket Axle Cottered Model No. RR-261, 262, 263

RR-261, 262, 263 : BB Axle Cottered Made from low carbon steel, case hardened and machined to perfect sizes. Available in all sizes and in any finish Black/ZP/BCP
Model	Left A	Centre B	Right L	Total Length	Crank Pin Diameter
2C	37	54	46	137
A8	34.5	61.5	45	141
SLR	36	55	47	138	Min. 15.65
Y-3	40	52	49	141	Max 15.65
Y-4	34	52	44	130
Y-5	36	54	46	136
Y-15	34	54	42	130
Y-16	36	57	46	139
Y-18	37	51	50	138

Bottom Bracket Axle Cotterless Type Model No. RR-264,265

RR-264,265 : BB Axle Cotterless Type Available in black Finish
Bracket Width	Left A	Centre B	Right C	Total Length L
70	32	55	35	122
70	35	55	37.5	127.5
70	35	55	39	129
70	35	55	40.5	130.5
70	35	55	42	132
	37	58	40	135
68	35	56	36	126
	37	56	37	130

Bottom Bracket Parts

RR-271, 272 : "SEBCO" BB Cup Opener

RR-281, 282, 283, 284, 285, 286, 287
Ball retainers for OPC, fork fittings, B.B. Cups, Hubs & Pedals.

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