British Motorcycles


Grandex were motorcycles produced from 1910 to 1916 by a company based in Gray's Inn Road, London.

  • 1910 The first model was offered for sale. Of sleek appearance, it had a 2½ hp JAP engine, belt drive and Druid forks.

1910 Stanley Show Report
Grandex Cycle Co., Ltd.
28 Gray's Inn Road, London, W.C. Stand No. 46.
This is a new firm to exhibit motor-cycles. The Grandex lightweight has a H.P. Jap or Precision engine, Druid spring forks, Lycett saddle and rubber belt, and Amac or Brown and Barlow carburetter. The B.S.A. free-wheel hub is fitted, Bowden brake on the front wheel, and pulley brake on the back. The retail price is 33 guinea,s, including carrier and stand. The 4 H.P. model has a Jap motor and costs the rider 8 guineas more. One town, one agent, is the Grandex simple policy.

  • For the next few years other models appeared, fitted with JAP and Precision engines.
  • 1913 Only Precision engines were used, except for a short period when a Green water-cooled unit was fitted.
  • 1915 A 225cc Peco two-stroke model with two-speeds was added.
  • 1916 Was the last year. For some time prior to this they had also been listed as Grandex-Precision.

Sources: Graces Guide

If you have further information or a query related to this page, please contact us

Allen Motorcycle Museum
Allen Motorcycle Museum
Private museum in Boston, MA, with many highly collectable vintage motorcycles for sale.