While wireless derailleurs may offer fast and precise electronic shifting, the things ain't cheap. That's where the NXS ...

Remove any build-up of dirt or other debris from the: Frame, Wheels, Derailleur ... mushy or the bike stops shifting smoothly, that’s a sign that the cables probably need adjusting.

Want wireless shifting but don't want to have to buy a whole new drivetrain? The new NXS system is worth a look!

Especially regarding the drivetrain, almost all bikes use a chain, a freewheel, and a derailleur if there are gears to shift because these parts are cheap, reliable, and easy to repair.

Some readers will likely note Shimano already has clutch mountain bike derailleurs that can be paired with electronic shifting for 1x systems. With the new Ultegra RX derailleur, Shimano expands ...