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Bonhams 1793 Ltd – Motorcycle dept
101 New Bond Street, London
W1S 1SR
Tel:  020 8963 2817
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1956 DUCATI 125CC BIALBERO GRAND PRIX RACING MOTORCYCLE SOLD by Auction

This advert viewed 45 times
  • £40,000 Auction Estimate
  • 1956
Message the seller
Price £40,000 Auction Estimate
Ad Type For Sale by Auction
Category Motorcycles
Make Ducati
Model BIALBERO GRAND PRIX RACING MOT
Year 1956
Country UK
Region Oxfordshire
Telephone 020 8963 2817
Status Trade
Date 28-Jul-2020
Ref C1250753
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


1956 DUCATI 125CC BIALBERO GRAND PRIX RACING MOTORCYCLE (LOT 651)
FRAME NO. DM542DM
ENGINE NO. DM542DM
• Believed to have raced in World Championship events
• Purchased for the Morbidelli Museum in the early 1990s
• Rebuilt in the Morbidelli Museum's workshop

Its senior management having decided that racing success was the best way to promote the fledgling manufacturer, Ducati recruited engineer Fabio Taglioni, formerly with Ceccato and Mondial, to oversee its racing and development programmes. Commencing work in May 1954, Taglioni designed the first of Ducati's now legendary sporting singles: the 98cc Gran Sport, nicknamed 'Marianna', which made its racetrack debut in 1955. The Gran Sport's overhead cam was driven by a vertical shaft and bevel gears, and this method was carried over to Ducati's 125cc twin-cam (bialbero) and triple-cam (trialbero) racers, the latter featuring Taglioni's famous 'desmodromic' method of valve actuation that dispensed with springs.

The first significant development of Taglioni's original design arrived early in 1956 in the form of a massive twin-cam (bialbero) cylinder head, which retained the exposed hairpin valve springs of the single-cam motor. Producing 16bhp, almost double the output of the 98cc Gran Sport, this new engine went into cycle parts that were essentially unchanged apart from the adoption of a more powerful double-sided front brake, a move necessitated by the bialbero's greatly increased speed. Campaigned by the factory on a limited basis and offered for sale to privateers, the bialbero was merely a stepping stone on the way to Taglioni's final refinement of his original single-cylinder design – the desmodromic trialbero – which made its spectacularly successful race debut at the Swedish Grand Prix in July 1956 when works rider Degli Antoni lapped the entire field on his way to victory.

Antoni's untimely death in August 1956 was a major setback for Ducati's plans, and it would be 1958 before they mounted another serious challenge at World Championship level. Having hitherto relied on single-cylinder designs for the 125 class, Ducati introduced a 125 twin at Monza in 1958, the final round of that year's World Championship. Although the Ducati 125s proved capable of winning Grands Prix (three in 1958 and one in 1959, all by trialbero singles), they lacked the consistency to challenge the dominant MVs for World Championship honours. And when the Japanese manufacturers arrived en masse in the early 1960s, bringing multi-cylinder technology to the lightweight classes, the writing seemed well and truly on the wall for the European opposition.

This Ducati bialbero 125 dates from 1956 and is believed to have raced in World Championship events. The machine was purchased for the Morbidelli Museum in the early 1990s and has been restored by Giancarlo Morbidelli.

£40,000 - 60,000
€45,000 - 67,000
To be sold without reserve

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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