Posted: Tue, May 6th
Technical Q and A with Lennard Zinn: On bearings and brakesDear Lennard,I want to replace the Raceface X-type road bottom bracket on my Giant TCR C1 road bike.
I want to replace it with one that is smoother running, likely one with ceramic bearings. Will any Shimano compatible ceramic bearing bottom bracket work?
I guess this ...
Posted: Tue, Apr 29th
Tech Report with Lennard Zinn - More big thingsIn last week’s column, I mentioned suspension as a likely Next Big Thing in road bikes. I also promised another prediction this week. This one I think is coming, but it’s going to take awhile.
Posted: Tue, Apr 22nd
Tech Report with Lennard Zinn - What's the next big thing?People constantly ask me, “What do you see as the next big innovation coming with road bikes?”
Their eyes tend to glaze over if I reply with any of the incremental improvements that every bike show or exhibition, like last week’s Sea Otter, is rife with. A new ...
Posted: Mon, Apr 21st
Sea Otter Tech Report: That's a wrapRather than sitting on their hands after a couple of years of furious product development, SRAM engineers have been hard at work coming up with more new stuff for road, mountain and triathlon bikes.
Avid Elixir
Paul Kantor and his team at Avid seem to have come up ...
Posted: Sun, Apr 20th
Sea Otter Tech Report, Day 3Technical writer Lennard Zinn is canvassing Sea Otter for tidbits — today he comes back with (among other things), three different ways on one team to devise a 2X9 system on a cross country bike.
Posted: Tue, Apr 15th
Technical Q&A with Lennard Zinn - Bearings, bottom brackets and cogsDear Lennard,I've just read your article article about the SRAM ceramic bottom bracket and its maintenance. We at CeramicSpeed have been ...
Posted: Tue, Apr 8th
Technical Q&A with Lennard Zinn - Big bikes have special needsDear Lennard,I am 6-foot-6, weigh 200 pounds and have a 36-inch inseam. I currently ride a 61cm 2003 Tourmalet steel frame and was looking to upgrade to a livelier ride with an aluminum frame. I am trying to get the most out of a stock bike that costs under $1300.
Posted: Tue, Mar 25th
Technical Q&A with Lennard Zinn - The demands of ceramicsAre ceramics that delicate?Dear Lennard,In your article on ceramic bearings in the recent VeloNews Buyers Guide I got the impression that these things were not only smooth but durable as well. As a result, I ordered a ceramic SRAM bottom bracket ...
Posted: Tue, Mar 18th
Lennard Zinn has a fork suggestion for a tall rider, plus more on the SRAM/Campy mix-and-match.Dear Lennard,
Question for you re: forks for long head tubes. I'm 6'4" and have a Seven Axiom with a roughly 30cm head tube and a Seven rebadged Reynolds carbon fork on it. It is a bit flexy when braking while cornering and I'd like to improve that. What options are out ...
Posted: Mon, Mar 17th
Can you run Campy shifters with a SRAM drivetrain? Sure, why not.NEWS FLASH: I put Centaur Ergopower levers on my SRAM Red-equipped bike and have been riding it happily ever since with nary a hiccup in the shifting. I have a SRAM 10-speed chain, SRAM Red chainrings, SRAM Red front derailleur, SRAM Red rear derailleur, and SRAM Red ...
Posted: Tue, Mar 11th
Technical Q&A with Lennard Zinn - Tubular tape and nagging foot questionsDear Lennard,In a recent article you make mention of the fact that you do not use adhesive tapes, like that produced by Tufo, on tubular wheels, preferring instead to use the old system of building up with glue.
Posted: Tue, Mar 4th
Foot pain, cleaning that new chain and some follow-upA recurring painDear Lennard,I'm writing because I just read the shoe review in the VeloNews Buyer's Guide, and you mention in there that you use a custom orthotic.
I was happy to see that the Shimano SH R300's I just purchased got high marks, but I am ...