Showing posts with label Bivalent hubs. Show all posts
Showing posts with label Bivalent hubs. Show all posts

Tuesday, April 8, 2014

Bivalent Hubs

Here is another set of the Cinelli Bivalent hubs, you can read more about the concept behind them in the blog here and here.

This particular set was recently sold with this description:

Rare! Vintage and collectible
36 holes Special Regina freewheel body with splines in rear - uses common Regina cogs from 1960s-70s
Includes all accessories and fittings - see photos
From the mid-1960s
In storage for over 50 years!
NOS - New Old Stock - Excellent condition!
See the copies of the original paperwork - you will receive copies with hubs
Get a little of your own Italian 'passione'!











Reminder: I invite you to contribute by sending in photographs of your Cinelli bike, illustrations, personal stories, and articles about Cinelli bikes and components. I can be contacted at veronaman@gmail.com 

Tuesday, December 14, 2010

Cinelli Bivalent Hubs Close-ups

Thanks again to Stefan of www.speedbicycles.ch for giving me permission to use his photos.

The previous entry showed Stefan's 1968 Cinelli S. C. with bivalent hubs. Here are close-ups:




Courtesy of www.43bikes.com a photo with a wheel dismounted:

Note: The 1970 Ron Kitching Everything Cycling catalogue stated:

"Bivalent Interchangeable QR Hubs. As the name suggests the wheel will fit either front or rear. It is not dished and consequently it is a stronger wheel... The chain and freewheel and therefore the gear ratios remain undisturbed the whole time. For the rider supported by a service car it is only a question of how soon a spare wheel, and remember there cannot be any mistake as to which, may be obtained. For the non-supported rider a tubular can be changed in much less time -- particularly a rear. Initially designed for stage racing, a six man team needs only six spare wheels, where the advantages are obvious and time saving may be enormous, time trialling may also gain considerably from what may be described as the ultimate in quick release hubs. .... Remember -- here are the exclusive features of the Cinelli Bivalent Hubs- features which cannot be ignored by the modern racing man who insists on the absolute best in equipment. (1) Rapid and easy exchange of wheel - only five seconds (2) Rear wheel and front wheel or spare are all interchangeable. (3) Less broken spokes because of the wheels perfect tangency (4) Rear wheel is not dished and is therefore stronger and better balanced. (5) Front wheel offers less wind resistance. (6) Freewheel and chain are not disturbed and therefore gear ratios remain unchanged. (7) Easy replacement of the freewheel."
 
 

I invite you to contribute by sending in photographs of your Cinelli bike, illustrations, personal stories, and articles about Cinelli bikes and components.

Thanks for stopping by.

I can be contacted at veronaman@gmail.com

Monday, December 13, 2010

1968 Cinelli S.C. with Bivalent Hubs










My thanks to Stefan of www.speedbicycles.ch for giving me permission to use his photos. Stefan's collection of bicycles is beautifully photographed.

This Cinelli is serial number 4274, made with Columbus tubing finished in cromovelato Mars red. It is equipped with a set of Cinelli bivalent hubs. Cinelli introduced this hub system in 1961 in which the front and rear wheels where interchangeable, and the freewheel remains on the bike during a wheel change. Read about Cino Cinelli's logic in creating these hubs:
Article (click to enlarge) courtesy www.classicrendezvous.com

Other components include Cinelli bar/stem, Unicanitor saddle, Fiamme red label rims and Clement Criterium Seta Extra Cappuccetto Roso tubulars.

Seat tube c-c 59cm, top tube c-c 57cm, weight 10.2kg

I invite you to contribute by sending in photographs of your Cinelli bike, illustrations, personal stories, and articles about Cinelli bikes and components.

Thanks for stopping by.

I can be contacted at veronaman@gmail.com