Gearbox/Transmission Parts – British Bike Bits https://www.britishbikebits.com Classic Bike Parts Thu, 17 Sep 2026 11:23:29 +0000 en-US hourly 1 https://wordpress.org/?v=7.0.5 https://www.britishbikebits.com/wp-content/uploads/2020/10/logo-2-64x65.png Gearbox/Transmission Parts – British Bike Bits https://www.britishbikebits.com 32 32 MAINSHAFT 1ST GEAR 18T – BSA B44/B50, TRIUMPH TR5MX https://www.britishbikebits.com/mainshaft-1st-gear-18t-bsa-b44-b50-triumph-tr5mx?utm_source=rss&utm_medium=rss&utm_campaign=mainshaft-1st-gear-18t-bsa-b44-b50-triumph-tr5mx https://www.britishbikebits.com/mainshaft-1st-gear-18t-bsa-b44-b50-triumph-tr5mx#respond Thu, 17 Sep 2026 11:23:28 +0000 https://www.britishbikebits.com/?post_type=product&p=19388228 MAINSHAFT 1ST GEAR 18T

SUITABLE FOR

BSA B44GP 1965-66

BSA B50MX 1971-73

TRIUMPH TR5MX 1974

PART NUMBER 41-3065

]]> https://www.britishbikebits.com/mainshaft-1st-gear-18t-bsa-b44-b50-triumph-tr5mx/feed 0 SPROCKET COVER GASKET- TRIUMPH/BSA https://www.britishbikebits.com/sprocket-cover-gasket-triumph-bsa?utm_source=rss&utm_medium=rss&utm_campaign=sprocket-cover-gasket-triumph-bsa https://www.britishbikebits.com/sprocket-cover-gasket-triumph-bsa#respond Mon, 07 Sep 2026 14:02:30 +0000 https://www.britishbikebits.com/?post_type=product&p=19387970 SPROCKET COVER GASKET

SUITABLE FOR

BSA B25/B50 1971-73

TRIUMPH T25 1971

TRIUMPH TR5MX 1974

TRIUMPH T100 1970-74

TRIUMPH TR5T 1973-1974

TRIUMPH TR7/T140/T140LFH  1973-87

PART NUMBER 71-1419/70-3832/40-0241

]]> https://www.britishbikebits.com/sprocket-cover-gasket-triumph-bsa/feed 0 GEARBOX SPROCKET TAB WASHER – TRIUMPH/BSA https://www.britishbikebits.com/gearbox-sprocket-tab-washer-triumph-bsa-2?utm_source=rss&utm_medium=rss&utm_campaign=gearbox-sprocket-tab-washer-triumph-bsa-2 https://www.britishbikebits.com/gearbox-sprocket-tab-washer-triumph-bsa-2#respond Mon, 07 Sep 2026 13:47:36 +0000 https://www.britishbikebits.com/?post_type=product&p=19387968 GEARBOX SPROCKET TAB WASHER – FINAL DRIVE – 5 SPEED

SUITABLE

TRIUMPH TR7V/T140V 1973-87

TRIUMPH T150V 1972-75

TRIUMPH X75 1972-73

TRIUMPH T160V 1976-77

BSA R3 MK2 1971-72

PART NUMBER 57-4909

]]> https://www.britishbikebits.com/gearbox-sprocket-tab-washer-triumph-bsa-2/feed 0 HIGH GEAR BUSH – TRIUMPH T20/T90/3TA/5TA/T100/TR5T https://www.britishbikebits.com/high-gear-bush-triumph-t20-t90-3ta-5ta-t100-tr5t?utm_source=rss&utm_medium=rss&utm_campaign=high-gear-bush-triumph-t20-t90-3ta-5ta-t100-tr5t https://www.britishbikebits.com/high-gear-bush-triumph-t20-t90-3ta-5ta-t100-tr5t#respond Wed, 19 Aug 2026 10:02:29 +0000 https://www.britishbikebits.com/?post_type=product&p=19387580 HIGH GEAR BUSH

0 .844 OD (27/32″ (21.4MM) X 2 5/8″ OA (66.5MM) ID 3/4″ (19MM) 2.615″ long (66.31mm)

SUITABLE FOR

TRIUMPH T20/T90/3TA/5TA/T100/TR5T 1958-74

PART NUMBER 57-1405

]]> https://www.britishbikebits.com/high-gear-bush-triumph-t20-t90-3ta-5ta-t100-tr5t/feed 0 21T GEARBOX SPROCKET – TRIUMPH UNIT 350/500 https://www.britishbikebits.com/21t-gearbox-sprocket-triumph-unit-350-500?utm_source=rss&utm_medium=rss&utm_campaign=21t-gearbox-sprocket-triumph-unit-350-500 https://www.britishbikebits.com/21t-gearbox-sprocket-triumph-unit-350-500#respond Tue, 18 Aug 2026 14:54:49 +0000 https://www.britishbikebits.com/?post_type=product&p=19387568 21T GEARBOX SPROCKET

SUITABLE FOR

TRIUMPH 3TA/5TA/T90/T100/TR5T UNIT 1957-74

PART NUMBER 57-1476/21

]]> https://www.britishbikebits.com/21t-gearbox-sprocket-triumph-unit-350-500/feed 0 22T GEARBOX SPROCKET – TRIUMPH UNIT 350/500 https://www.britishbikebits.com/22t-gearbox-sprocket-triumph-unit-350-500?utm_source=rss&utm_medium=rss&utm_campaign=22t-gearbox-sprocket-triumph-unit-350-500 https://www.britishbikebits.com/22t-gearbox-sprocket-triumph-unit-350-500#respond Tue, 18 Aug 2026 14:46:12 +0000 https://www.britishbikebits.com/?post_type=product&p=19387566 22T GEARBOX SPROCKET

SUITABLE FOR

TRIUMPH 3TA/5TA/T90/T100/TR5T UNIT 1957-74

PART NUMBER 57-1476/22

]]> https://www.britishbikebits.com/22t-gearbox-sprocket-triumph-unit-350-500/feed 0 19T GEARBOX SPROCKET – TRIUMPH UNIT 350/500 https://www.britishbikebits.com/19t-gearbox-sprocket-triumph-unit-350-500?utm_source=rss&utm_medium=rss&utm_campaign=19t-gearbox-sprocket-triumph-unit-350-500 https://www.britishbikebits.com/19t-gearbox-sprocket-triumph-unit-350-500#respond Tue, 18 Aug 2026 14:32:49 +0000 https://www.britishbikebits.com/?post_type=product&p=19387565 19T GEARBOX SPROCKET

SUITABLE FOR

TRIUMPH 3TA/5TA/T90/T100/TR5T UNIT 1957-74

PART NUMBER 57-1476/19

]]> https://www.britishbikebits.com/19t-gearbox-sprocket-triumph-unit-350-500/feed 0 18T GEARBOX SPROCKET – TRIUMPH UNIT 350/500 https://www.britishbikebits.com/18t-gearbox-sprocket-triumph-unit-350-500?utm_source=rss&utm_medium=rss&utm_campaign=18t-gearbox-sprocket-triumph-unit-350-500 https://www.britishbikebits.com/18t-gearbox-sprocket-triumph-unit-350-500#respond Tue, 18 Aug 2026 14:25:35 +0000 https://www.britishbikebits.com/?post_type=product&p=19387563 18T GEARBOX SPROCKET

SUITABLE FOR

TRIUMPH 3TA/5TA/T90/T100/TR5T UNIT 1957-74

PART NUMBER 57-1476/18

]]> https://www.britishbikebits.com/18t-gearbox-sprocket-triumph-unit-350-500/feed 0 GEARBOX SPROCKET TAB WASHER – TRIUMPH UNIT 350/500 https://www.britishbikebits.com/gearbox-sprocket-tab-washer-triumph-unit-350-500?utm_source=rss&utm_medium=rss&utm_campaign=gearbox-sprocket-tab-washer-triumph-unit-350-500 https://www.britishbikebits.com/gearbox-sprocket-tab-washer-triumph-unit-350-500#respond Tue, 18 Aug 2026 14:12:57 +0000 https://www.britishbikebits.com/?post_type=product&p=19387561 GEARBOX SPROCKET TAB WASHER

SUITABLE FOR

TRIUMPH 3TA/5TA/T90/T100TR5T UNIT 1957-74

PART NUMBER 57-2056

]]> https://www.britishbikebits.com/gearbox-sprocket-tab-washer-triumph-unit-350-500/feed 0 16T GEARBOX SPROCKET – TRIUMPH UNIT 350/500 https://www.britishbikebits.com/16t-gearbox-sprocket-triumph-unit-350-500?utm_source=rss&utm_medium=rss&utm_campaign=16t-gearbox-sprocket-triumph-unit-350-500 https://www.britishbikebits.com/16t-gearbox-sprocket-triumph-unit-350-500#respond Tue, 18 Aug 2026 14:02:36 +0000 https://www.britishbikebits.com/?post_type=product&p=19387559 16T GEARBOX SPROCKET

SUITABLE FOR

TRIUMPH 3TA/5TA/T90/T100/TR5T UNIT 1957-74

PART NUMBER 57-1476/16

]]> https://www.britishbikebits.com/16t-gearbox-sprocket-triumph-unit-350-500/feed 0