Speedo Drive Gearboxes – British Bike Bits https://www.britishbikebits.com Classic Bike Parts Thu, 30 Jul 2026 15:18:56 +0000 en-US hourly 1 https://wordpress.org/?v=7.0.2 https://www.britishbikebits.com/wp-content/uploads/2020/10/logo-2-64x65.png Speedo Drive Gearboxes – British Bike Bits https://www.britishbikebits.com 32 32 SPEEDO DRIVE GEARBOX 15:12 – NORTON COMMANDO https://www.britishbikebits.com/speedo-drive-gearbox-1512-norton-commando?utm_source=rss&utm_medium=rss&utm_campaign=speedo-drive-gearbox-1512-norton-commando https://www.britishbikebits.com/speedo-drive-gearbox-1512-norton-commando#respond Thu, 21 May 2026 12:14:16 +0000 https://www.britishbikebits.com/?post_type=product&p=19385718 SPEEDO DRIVE GEARBOX 15:12 RATIO (1.25-1), 11/16 HOLE

BG5330/171

SUITABLE FOR

NORTON COMMANDO  1969-74

PART NUMBER 06-0627, 99-9992

]]> https://www.britishbikebits.com/speedo-drive-gearbox-1512-norton-commando/feed 0 SPEEDO DRIVE GEARBOX ‘VEGLIA’ TYPE – TRIUMPH T140/TR7 https://www.britishbikebits.com/speedo-drive-gearbox-veglia-type-triumph-t140-tr7?utm_source=rss&utm_medium=rss&utm_campaign=speedo-drive-gearbox-veglia-type-triumph-t140-tr7 https://www.britishbikebits.com/speedo-drive-gearbox-veglia-type-triumph-t140-tr7#respond Thu, 20 Mar 2025 15:07:15 +0000 https://www.britishbikebits.com/?post_type=product&p=19377678 SPEEDO DRIVE GEARBOX ‘VEGLIA’ TYPE

1.25-1 5/8 HOLE

SUITABLE FOR TRIUMPH TR7E/T140E 1979-83,

TSS/TSX 1982

T140LF 1987

PART NUMBER 60-7091

]]> https://www.britishbikebits.com/speedo-drive-gearbox-veglia-type-triumph-t140-tr7/feed 0 Speedo Drive Gearbox – BSA A65/A70/A75 Rocket 3 1971-72 https://www.britishbikebits.com/speedo-drive-gearbox-bsa-a65-a70-a75-rocket-3-1971-72?utm_source=rss&utm_medium=rss&utm_campaign=speedo-drive-gearbox-bsa-a65-a70-a75-rocket-3-1971-72 https://www.britishbikebits.com/speedo-drive-gearbox-bsa-a65-a70-a75-rocket-3-1971-72#respond Fri, 23 Dec 2022 11:25:12 +0000 https://www.britishbikebits.com/?post_type=product&p=317478 Speedo Drive Gearbox

Smiths Type, rear wheel mounted. 5/8″ spindle diameter

1.25:1 Ratio (suitable for standard 18″ rear wheel)

Suitable for

  • BSA A65 1971-72
  • BSA A70 Lightning 1971-72
  • BSA A75 Rocket 3 1971-72

BSA Part Number 19-9225

]]> https://www.britishbikebits.com/speedo-drive-gearbox-bsa-a65-a70-a75-rocket-3-1971-72/feed 0 Speedo Drive Gearbox – Triumph TR6/T120/TR7/T140 /X75/T150 1971- https://www.britishbikebits.com/speedo-drive-gearbox-triumph-tr6-t120-tr7-t140-x75-t150-1971?utm_source=rss&utm_medium=rss&utm_campaign=speedo-drive-gearbox-triumph-tr6-t120-tr7-t140-x75-t150-1971 https://www.britishbikebits.com/speedo-drive-gearbox-triumph-tr6-t120-tr7-t140-x75-t150-1971#respond Fri, 23 Dec 2022 11:17:02 +0000 https://www.britishbikebits.com/?post_type=product&p=317474 Speedo Drive Gearbox

Smiths Type, rear wheel mounted. 5/8″ spindle diameter

1.25:1 Ratio (suitable for standard 18″ rear wheel)

Suitable for

  • Triumph TR6 Trophy / T120 Bonneville 1971-72
  • Triumph TR7 Tiger / T140 Bonneville 1973-78
  • Triumph X75 Hurricane 1972-73
  • Triumph T150 Trident 1971-74

Triumph Part Number 60-3213
Smiths Part Number BG5330/164
Manufacturer Part Number 99-9990

]]> https://www.britishbikebits.com/speedo-drive-gearbox-triumph-tr6-t120-tr7-t140-x75-t150-1971/feed 0 Speedo Drive Gearbox 2:1 – Ariel / Norton / Royal Enfield https://www.britishbikebits.com/speedo-drive-gearbox-21-ariel-norton-royal-enfield?utm_source=rss&utm_medium=rss&utm_campaign=speedo-drive-gearbox-21-ariel-norton-royal-enfield https://www.britishbikebits.com/speedo-drive-gearbox-21-ariel-norton-royal-enfield#respond Thu, 07 Jul 2022 12:44:53 +0000 https://www.britishbikebits.com/?post_type=product&p=314146 Speedo Drive Gearbox  2:1 LH Overslung

Suitable for Ariel, Norton and Royal Enfield

Part Number 99-9985

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