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Gerhard Wanninger's Bike Blog


Microshift Centos Xpress Plus Flat Bar Shifters 2×11, SL-R861-2
While working on a project to convert my MTB into an 11-speed road bike , I needed to buy flat bar shifters compatible with my Shimano 105 medium-cage rear derailleur, the RD-R7000-GS. Although there are numerous mountain bike flat bar shifters available, Shimano's unique pull ratio cable for each road and mountain bikes prevents me from using them... According to Shimano's own website, the only original option are the Shimano SL-RS700 shifters. These are 11-speed RAPIDFIRE
Gerhard Wanninger
Dec 43 min read


BMC Streetfire SS02 (4) - Alt Bar upgrade
(continued from Part 3) As mentioned, I have another light road or racing bike, based on my Fastrax Scandium frame. While this built is light and nimble, the BMC is, possibly due to it's larger size, a little bit more sluggish, no matter what kind of rim/tire combination I put on the bike. Even though both bike the complement each other, I somehow decided to build this BMC with a different setup with a straight handlebar, to make it more comfortable and more versatile. My s
Gerhard Wanninger
Nov 255 min read


Goodyear Eagle F1, Tube Type, 700x28 review
High prices and more comfort I am a big fan of the German-made Continental Grand Prix 5000 tires, especially the 25mm version that I've frequently used. These tires are outstanding, offering superior quality, simple installation, and impressive performances in both dry and wet conditions. Unfortunately, like many other things, their prices increased ridiculously, for the price of one GP5000 tire, my wife can almost buy a car tire! This prompted me to search for more affordabl
Gerhard Wanninger
Feb 123 min read


My Wheeler mountain winter bike (2)
( continued from part 1 ) Braking Lever: Tektro I used my vintage Taiwanese MTB Tektro 4-finger brake levers made from aluminum. Many...
Gerhard Wanninger
Dec 2, 20245 min read
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