A single-speed external drivetrain may be paired with a hub gear system. Here, the bike’s gears are fully enclosed within the rear hub and may offer anything between two and 14 gear ratios.

It sure looks like, based on JTek's chart, that the Shiftmate 6 and 7 is what you need. And yes, running an MTB double front derailleur with a road double shifter does require a Shiftmate.

Every year the Leadville Trail 100 seems more about tech than the race itself - the racing is great but it's a great place to ...

Popular Electric Mountain Bike Shifter Brands Shimano XT Di2 Price Range: $400 – $600 Features: Wireless technology, customizable settings, seamless integration. Price Range: $400 – $600 ...

Then if we can shift it from an easy to a hard gear, that is going to make him significantly slow down, and lose time,” he said. But there is a solution, and it’s pretty simple.

Total printing time was about one and a half hours, and was attached to [Rich]’s bike with off-the-shelf hardware. He’s already put about 150 miles on his custom designed shifter with no signs ...

Melissa Beeler, right, poses with other Gear Shifter volunteers after going door-to-door along 11th Street to poll businesses about plans to redesign the thoroughfare Thursday, Feb. 3, 2021.

[Rich] is embarking on a fairly long bike trip in a few weeks – Seattle to Portland – and thought including some 3D printed gear on his ride would be a fun endeavor. His first idea was … ...