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Out of curiosity, what is the worst thing you could reasonably predict might happen if your chain breaks while riding? This seems like it could be a really dangerous situation.

i think about this sometimes when climbing out of the saddle and worry for my gonads.

search vid of millar hammering the final 500m of giro stage for very possible win when chain broke.

we need a "...but that's bike racing" thread, where we document the agonies and quiddities. i am not so great at dealing w/ agonies and quiddities in the moment, i get a little hot. u_u

https://www.youtube.com/watch?v=mIW1MAvyPD4

See also braley wiggins in last years road worlds.

Replacing the chain turned in to a major investigation. I think I need to replace:

chainrings
cogs
brake cables
gear cables
BB Bearings, possibly the whole thing
rear derailleur sprockets
brakes

also I noticed that my dropout is slightly opening on the drive side in the same way as gbx, not as wide and not as much a concern given I'm riding geared, but it does seem to be a feature of the frame.

uhoh!

i'm riding geared, too, btw! aside from the wheel popping out (in traffic!), the problems have been:

-- brake alignment. vertical play in the dropout ---> rim not equidistant from brake pads, also not square
-- skipping shifts. cog teeth not in parallel with chainring teeth ---> oh noes!
-- rim out of true. wheel gettin loaded like this \ instead of like this | ---> weirdo stuff with rim and spokes

how old is this frame?

1.5 years

so it all goes back to dropout alignment. makes total sense and is bad. warranty?

tried that, it's out of warranty. plus Surly are (apparently) notorious for denying warranty claims.

it's all sorted now, but the frame guy i went to (c4pricorn bikes, from whom i ~will~ be getting a frame in approx two years) said it might be weakened, so heads up

hmm, interesting. I have found that unless I crank my skewer up really tight I can pull the wheel out of the dropout. I'm wondering if there is a weird loading at work. I'm wondering if the extra stress on the rear triangle due to the neither one thing nor the other dropout spacing is causing the frame to distort over time and throw things out.

So far I've not noticed any other symptoms.

dont go breakin your 11 spd chain just to maintain- throw it out.

http://velonews.competitor.com/2010/03/technical-faq/technical-faq-maintaining-an-11-speed-chain_108165

how much are those things anyway

If you buy the chain you probably won't be able to afford the special tool so it all works out in the end.

So I measured my dropout and there is a 1.5mm difference between the hub end and the open end.

dude! mine was up to 5mm. think it's now down to about 1mm. surly >:(

THIS JUST IN:

Ventus Bicycle Aerobars Recalled by 3T Cycling Srl Due to Fall Hazard

WASHINGTON, D.C. - The U.S. Consumer Product Safety Commission, in cooperation with the firm named below, today announced a voluntary recall of the following products. Consumers should stop using recalled products immediately unless otherwise instructed.

Name of Product: Ventus Ltd(tm) and Ventus Team(tm) Bicycle Aerobars

Units: About 325

Designer: 3T Cycling Srl, Italy

Distributors: BikeMine, of Oklahoma City, Okla.; Quality Bicycle Parts, of Bloomington, Minn.; Security Bicycle Accessories, of Hempstead, N.Y.; and Bicycle Technologies International, Ltd. (BTI), of Santa Fe, N.M.

Hazard: The two rubber hand grips on the aerobars (handle bars) can loosen or slip off during use, posing a fall or injury hazard to the rider.

Incidents/Injuries: Two incidents were reported to 3T involving adults with minor abrasions.

Description: : This recall involves all Ventus Ltd, Ventus Ltd 17, Ventus Ltd Gold, Ventus Ltd Track, Ventus Team and Ventus Team 17 bicycle aerobars. The recalled aerobar models were sold in one size and color for each model; Black with red stripe for the Team and black with silver stripe for the Ltd. The "Ventus" and "3T" logos are on the top side of the bar with the model name.

Sold at: Independent bicycle retailers and Internet retailers nationwide sold the aerobars from January 2008 through November 2009 for about $1,200 for the Ltd. models and $1,000 for the Team models.

Manufactured in: Taiwan

Remedy: Contact BikeMine to receive a free redesigned rubber grip set and adhesive kit or information on how to bring your Ventus bar to a local retailer for a repair.

Good job I was never in the market for a $1200 pair of aero bars

for over a grand they should swing by your place, pick them up, and drop em off when done?

Fucking bb is creaking and wheezing. Scared to take it apart b/c I only have one bike and right now at least it WORKS, if I take it part and break/lose something, I might have to go weeks to replace it.

Also cotter pins.