It started when I accidentally forced my rear wheelset in place where the Rear derailleur pulley and chain where also forced in place, because I forgot to put the shifter to the smallest cog. After that my Di2 RD won't shift anymore smaller than the 5th cog, it can shift up to the bigger cogs...

I have a 2014 Cervelo S5 that I have installed a Wheels Mfg BBRight outboard bottom bracket (shell 79 mm) for Shimano 24 mm crankset spindles and paired with a Shimano Ultegra FC-6800 double ring road crank. I was reading that Shimano recommends a 2.5 mm spacer on the non-drive side and a 2.5...

Employing the latest technology from Dura-Ace R9100 and Ultegra road components, Shimano's revamped 105 R7000 drivetrain is claimed to deliver added versatility and improved ride performance for a wide spectrum of budget conscious road cyclists. Featuring refined ergonomics, ST-R7000 shift...

With the diversification of road cycling and the growth of gravel and multi-surface riding, Shimano has responded with the introduction of the new Ultegra RX rear derailleur with chain stabilizing technology. httpv://www.youtube.com/watch?v=3uGEtC6gjac The new RD-RX800/RX-805 rear derailleurs...

The system is designed to deliver quick and smooth front shifting under high pedaling torque. On paper, Shimano's recently launched Ultegra R8000 drivetrain has all the functionality of the higher priced Dura Ace road group. But how does it actually perform in the real world? To find out we...

Shimano unveiled its new hydraulic brake system for road at the beginning of November. Photo Credit: Shimano/Eric Wynn The first four days of November presented interesting times in the world of disc brakes for road bikes. Over the weekend, Shimano pulled together a group of cycling editors...

Shimano's new hydraulic disc brake system uses the same technology found on its popular mountain bike brakes. The hydraulic road disc brake system war is officially on. Just a few months after rival component maker SRAM came to market with its Red 22 hydro disc brake offering, Japanese giant...

The entire groupset will retail for $1250 and be available at the end of June. Let the Dura-Ace 9000 trickle down begin. On Tuesday, Shimano unveiled its new 11-speed Ultegra 6800, calling the latest iteration of its tier-two road components a group that "offers Dura Ace form and function, but...

Shimano displayed their latest Ultegra 6700 groupset with Di2 shifting today at DealerCamp in Deer Valley Utah. We're told it's one of only two Ultegra Di2 groupsets in the US at the moment, with full aftermarket rollout estimated for late 2011. So how does it shift? Exactly like it's Dura Ace...

Professional riders have been using the Shimano Dura-Ace components with Di2 electronic shifting technology in the biggest races in the world over the past four years: over the highest mountains, in the most extreme weather conditions and over the worst possible roads and cyclo cross tracks. Now...