Posted: Fri, Aug 1st
Shimano's electronic Dura-AceShimano has formally announced plans to release Dura-Ace Di2, a new electronic shifting option for the all-new 7900 series Dura-Ace, in January.
Composed of dual control shift/brake levers, front derailleur, rear derailleur, a wiring harness and battery pack, the new Dura-Ace ...
Posted: Tue, Jul 29th
Technical Q&A with Lennard Zinn - Tire talkTubes, tubulars or NoTubes?Dear Lennard,I'm currently running Campy 10-speed and am interested in running Hutchinson Tubeless Tires. It appears that the only officially approved system is the Shimano Dura-Ace wheelset, which is obviously not an option for me. My ...
Posted: Tue, Jul 22nd
Technical Q&A with Lennard Zinn - Bikes at the TourThose long stemsDear Lennard,I read that several riders at this year's Tour de France have opted for a small frame and very long stem (140-150mm) combination.
I'm curious whether this is to get a lighter frame (seems unlikely since pro's don't have to take ...
Posted: Tue, Jul 8th
Technical Q&A with Lennard Zinn - Are old tires safe?Aging tiresDear Lennard,I have known people that have road bicycle spare tires in their garage for more than two years. Also, I have a nine-year-old Nokian studded tire on the front of my mountain bike for snowy/icy conditions.
I have a pair of Michelin Pro ...
Posted: Tue, Jul 1st
Technical Q&A with Lennard Zinn - Caring for carbonCheck that forkDear Lennard,I ride a ten-year-old Litespeed Ultimate. It has a Kestrel fork that it came with and Spinergy Rev-X wheels. I'm a recreational rider and my question is whether the carbon fiber can break down and fail. Some shops have told me that I ...
Posted: Tue, Jun 24th
Technical Q&A with Lennard Zinn - Testing gear - and myself - on the Klausen PassDear Readers,I’ve got a bit of product testing and Tour de Suisse course scouting to tell you about.
Posted: Tue, Jun 17th
Lennard Zinn answers more reader technical questionsDear Readers,
Posted: Tue, Jun 10th
Technical Q&A with Lennard Zinn - More mix-and-matchDear Lennard,I currently have a Shimano compact (50x34) crank set and an Ultegra 12-27 cog. Rather than switching to a triple, can I change to a 12-30 or 12-32?
Posted: Tue, Jun 3rd
Technical Q&A with Lennard Zinn - Time to replace?Mix-and-matchDear Lennard, At one time I read in your column that you can change Campy 9-speed ergo shifters to 10-speed. Is this true and what are the details? Guido
Dear Guido,
Posted: Tue, May 20th
20008 Giro d'Italia: Lennard Zinn looks at time trial techTuesday offered another time trial at the Giro, this time from Pesaro to Urbino.
The first half was flat, and its second half climbed about 400 meters, including a 10 percent stretch at midway and a 12 percent section three-quarters of the way through.
Riders had to ...
Posted: Mon, May 12th
2008 Giro d'Italia: Lennard Zinn's tech reportPosted: Sun, May 11th
2008 Giro d'Italia, stage 1: Team Time Trial Tech
