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STELBEL Dynamic Aero Crono, 650c-700c (1984-85) – SOLD


After World War II, Stelio Belletti joined his father in his workshop in the Ortica district of Milan. The mechanical workshop specialized in the construction of frames and other metal tubing structures. During the 1950s and 1960s, the Belletti Workshop collaborated significantly with important aeronaticaul and motorcycle companies and was one of the first companies in Italy to own and operate with a TIG welding machine.

Stelio Belletti has always been a huge cycling fan and as a boy was part of local amateur cycling team. Since the early 1970s, his experience as a welder fabricating motorcycle frames and aircraft fuselages pushed him to begin experimenting with the production of bicycle frames, combining steel tubing with TIG welding which at the time was a new technique in the bicycle industry. Encouraged by his father and by the results he had obtained, in the spring of 1973 he decided to found the Stelbel brand allowing him to distinguish the production of racing bicycle frames.

In August 1975, the UCI World Road Championships were held in Mettet and Yvoir, Belgium. Stelbel provided his frames built specially for the event for Polish national cycling team. It was the debut of Stelio Belletti’s product in an international competition. Belletti made 6 frames (4 official frames plus 2 reserve frames) for the team time trial race and another six frames for the men’s road race. The Polish team won the gold medal in a team time trial race.

In the 1980s a veritable wave of more or less effective solutions arrived to reduce the air resistance. Most of the racing and time trial frames built during this period feature spoilers, ovalized tubing and aero components. This is the time of the first Cinelli Laser, Rossin Futura, Colnago Oval CX… At this time, Belleti’s workshop was developing and experimenting with their important model named “Dynamic”, which was marked as the project of highest level of craftmanship and attention to detail as yet attained by Stelbel.

Here we are proudly offering one of the most advanced racing machines by great Stellio Belletti – STELBEL Dyanmic Aero. That oustanding time trial steel masterpiece with total aerodynamic approach was ahead of the time back in mid 1980s. Featuring ovalized Tig welding and Columbus SL tubing with special aero spoilers,  26/28 (650/700) wheels, full internal cable routing, Campagnolo Super Record groupset with Cobalto brake levers…no much words needed.

Extremely rare jewel. For all vintage bike enthusiasts. Fair price



Frame & Fork: STELBEL Dynamic Crono 650-700C, Columbus SL tubing


– seat tube (c-t): 56,5 cm

– top tube (c-c): 57 cm

– headset tube: 10 cm

Crankset: Campagnolo Super Record

Front Derailleur: Campagnolo Super Record

Rear Derailleur: Campagnolo Super Record

Headset: Campagnolo Record

Shifters: Campagnolo Super Record

Brake Levers: Campagnolo Cobalto

Brakes: Campagnolo Super Record

Stem: 3ttt Record (110mm)

Handlebar: Aero with internal cables

Front wheel: NiSi (650) with Campagnolo Super Record hub

Disc wheel: Kevlar (700c)

Chain: Regina CX

Tubulars: Vittoria 26/28

Seatpost: Stelbel Aerodinamica

Seat: Selle San Marco Concor (original)

Pedals: Campagnolo Super Record

Toe cage / leather straps : Christophe (original)

Handlebar Tape: leather, red



Condition: Used, but good condition. The frame has no cracks, no dents, not bent. Original paint and decals. Some signs of normal use. All parts are working fine.

Year: 1984-85

Price: SOLD (September 2020)