Industrialized Cyclist Notepad


Bike of the Day: Keith’s Bridgestone MB-1

12 hours left on E-Bay.

http://www.ebay.com/itm/Bridgestone-MB-1-Mountain-Bike-Vintage-1988-w-89-Koski-Forks-50cm-Used-Mens-/120905848170?pt=LH_DefaultDomain_0&hash=item1c268cd56a#vi-desc

Keith is in the intro to my new book The Art of Mountain Biking: Singletrack Skills for All Riders. He bought this MB-1 new from Criterium bike shop in 1988, and has been treating it with the utmost respect ever since. Amazingly, this trail-ready vintage beauty could be yours…

Description by Keith:

“Wow” your mountain biking friends by showing up for the next group ride on this vintage, highly coveted classic. This is widely considered the quintessential mountain bike of its day. Revolutionary frame angles, build quality, and components made this perhaps the most advanced racing mountain bike at the time, which is why today this steel bike is coveted by collectors. See Sheldon Brown’s web page on this bike, along with the PDF file of the catalog featuring it.

I am original owner, having bought this from my local Colorado Springs bike shop specified with a Shimano Deore XT group (see parts list below). Selling this is going to break my heart.

Has age-appropriate paint wear and scratches (see photos). Some superficial rust. No dents. Frame, forks, and wheels are straight. Imprecise shifting can be finessed now, but chain, cogs, chainrings, and possibly cables and housing need replacing for smooth, precisely indexed shifting. Everything else works well. One shifter clamp was re-threaded in the early ’90s and has held tight since. One shifter missing the “Shimano Deore XT” face plate (see photo).

1988-1992: used recreationally as a mountain bike in Colorado and California. 1993, 2000-2011: used as a commuter bike in California, Texas, Maryland, and North Carolina almost entirely on pavement. 1994-1999, 2012: stored unused.



Radioactive Bike Baskets
April 19, 2012, 22:48
Filed under: Uncategorized | Tags: , , , , , ,

Uh huh. Cobalt-60 radiation detected from Bridgestone bike’s basket by the bike’s owner in Japan. Leads to wider discovery. The baskets were made in China.

http://ex-skf.blogspot.com/2012/04/bicycle-baskets-imported-from-china.html

It was first reported to Bridgestone by a buyer of the bicycle, alerting the company that the basket attached to the bicycle was emitting radiation. Bridgestone had the baskets tested, and found the source of radiation to be cobalt-60. The baskets were imported from China, according to Bridgestone.

From the press release by the Ministry of Education and Science (MEXT) on April 18, 2012:

Report from Bridgestone Cycle Company to MEXT at about 4:10PM on April 17 that radiation was detected from the baskets installed on the bicycles that the company sells.

The bicycles were assembled at the Ageo Factory [in Saitama Prefecture].

7.5 to 10.6 microsieverts/hour radiation was detected on the surface of the baskets at 1 centimeter.




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