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Bonhams 1793 Ltd – Motorcycle dept
101 New Bond Street, London
W1S 1SR
Tel:  020 8963 2817
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0000 VINCENT 499CC GREY FLASH REPLICA (LOT 412) SOLD by Auction

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  • £22,000 Auction Estimate
  • 0000
Message the seller
Price £22,000 Auction Estimate
Ad Type For Sale by Auction
Category Motorcycles
Make Vincent
Model GREY FLASH REPLICA
Year 0000
Country UK
Region Oxfordshire
Telephone 020 8963 2817
Status Trade
Date 22-Jul-2020
Ref C1248252
This motorcycle is to be auctioned at our Live and Online Summer Sale, Hanger 113, Bicester Heritage, OX26 5HA.

SALE TIMES
Friday 14 August Spares & Memorabilia (Lot 1 - 212) 10am
Saturday 15 August Motorcycles (Lot 301 - 462) 10am
Sunday 16 August Motorcycles (Morbidelli Collection) (Lot 501 - 704) 10am

VIEWING
In light of the current government guidelines and relaxed measures we are delighted to welcome viewing, strictly by appointment. All the lots will be on view at Bicester Heritage in our traditional Hangar 113. We will ensure social distancing measures are in place, with gloves and sanitiser available for clients wishing to view motorcycle history files.

Please contact Bonhams Motorcycles with your preferred date, time and vehicle registration number to book an appointment.

VIEWING TIMES
Wednesday 12 August 1pm to 5pm
Thursday 13 August 9am to 5pm
Friday 14 August 9am to 5pm
Saturday 15 August 9am to 5pm (Lots 501-704 only)

LIVE AND ONLINE AUCTION
Please note that whilst public viewing is available by appointment, the auction itself will be conducted from a remote saleroom, behind closed doors without public access, in accordance with the current government guidelines. All bidding will be conducted via Online, Telephone and Absentee Bidding. Please contact our Bids Department to register.

AUCTION ADDRESS
Hangar 113
Bicester Heritage
Buckingham Road
Bicester
Oxfordshire
OX26 5HA


VINCENT 499CC GREY FLASH REPLICA (LOT 412)
REGISTRATION NO. NOT REGISTERED
FRAME NO. NOT STATED
ENGINE NO. F10AB/2920/28
• Accurate Grey Flash replica
• Built seven years ago by engineer owner
• Fewer than 100 miles since completion

Development work by factory tester George Brown, himself an accomplished racer, resulted in the Vincent Grey Flash: a tuned version of the Series C Comet single with a power output of 35bhp and a top speed in racing trim of 115mph. The 'Flash retained the overall look of the Comet roadster, with Vincent's distinctive Girdraulic front fork and cantilever rear suspension, but featured an Amal TT carburettor, Elektron magnesium-alloy brake plates and an eye-catching pale grey colour scheme. Success eluded the works Grey Flashes in both the 1950 and '51 Isle of Man TT races but the model chalked up some notable victories on mainland short circuits in the hands of factory apprentice John Surtees. Catalogued only for the 1949 and 1950 seasons, during which time a mere 31 were completed, the Grey Flash is one of the rarest and most desirable of post-war Vincents.

Closely resembling a genuine Vincent Grey Flash, this replica was built some seven years ago by the owner - an engineer and avid Vincent collector - from parts collected over a 25-year period. The owner has a collection of other Vincent motorcycles, all of which he has restored, but now retirement, age and various motorcycling 'war wounds' have prompted him to reduce his collection. The engine has been completely rebuilt using early replica crankcases with all new parts fitted: big-end bearing, main bearings, etc and also incorporates a 9:1 piston and MkII camshaft. Unusually for a replica, the Amal 10TT9 Carburettor is correctly located below the genuine Grey Flash petrol tank, with three fuel taps fore and aft for constant feed on long bends when racing. The tank has been signed by John Surtees, who successfully raced a Grey Flash at the start of his illustrious career. Other noteworthy features include an Albion four-speed gearbox (rebuilt); reconditioned cycle parts; lightweight (milled out) bladed forks (as Grey Flash); twin racing brake-plates on both wheels (as Grey Flash); and alloy wheel rims; indeed, virtually everything on this machine has been rebuilt or remade/renewed. Described by the private vendor as powerful and running superbly, this well executed Grey Flash replica has covered fewer than 100 miles at parades and summertime events since completion and is presented in excellent condition.

£22,000 - 26,000
€25,000 - 29,000

As with all Lots in the Sale, this Lot is sold 'as is/where is' and Bidders must satisfy themselves as to the provenance, condition, age, completeness and originality prior to bidding.

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