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Burlington, MA

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How To Shift Shimano Dual Control!

Shifting (also called changing gears) is the secret to riding comfortably and efficiently whether you're climbing and descending, sailing along fireroads with Amazing shifters!glorious tailwinds, pedaling for pleasure or going for glory. And today bicycles are easier, more efficient and more fun to shift than ever thanks to modern shifting systems that let you change gears almost as fast as the thought crosses your mind. And you never even need to move your hands from the handlebars!

We field lots of questions on how to shift so we've put together this illustrated guide that demonstrates how to shift Shimano Dual Control shifting systems, which are found on many off-road bicycles. We're always happy to demonstrate in person, too. Just ask.

We're assuming that at some point you've ridden a multi-speed bicycle like a 10-speed that was equipped with derailleurs and shift levers, and you're familiar with the basics of shifting. In case it's been awhile, here are a few helpful tips and the basic terminology:

  • There's no "right" or "wrong" gear to be in. You shift according to feel. As the terrain changes you move the levers to make it easier or harder to pedal depending on what feels right to you. Also, bikes aren't like cars. In other words, there's no need to start off in first, shift into second as you pick up speed, then third, etc. On a bicycle, you find the best gear for where you're riding by shifting until it feels right to you. With experience this gets easy and becomes almost second nature.
  • You have to be pedaling in order to shift, however, it's important to ease the pressure off the pedals when you shift. This is easy when you're heading downhill or rolling along the flats, however, approaching an uphill you'll need to anticipate the need to shift, pedal a few times so you build up a little speed, and you can then ease off the pedal pressure and shift into an easier gear.
  • In general, you operate one shift lever at a time, and shift across one cog or chainring at a time (some shifting systems let you shift across multiple cogs if needed). Move the right shifter to make small adjustments in how easy and hard it is to pedal. It controls shifts across the cogs on the rear wheel and there are usually 8, 9 or 10 cogs meaning relatively small steps and changes in effort with each shift. Conversely, you operate the left shifter to make large adjustments in how easy/hard it is to pedal. It shifts across the 2 or 3 chainrings on the crankset (what the pedals are attached to), which vary significantly in size and make a large difference in pedaling effort with each shift.
  • It's best to avoid shifting into what's known as the "crossover gears." These are when the chain is on the smallest cog and the smallest chainring and when it's on the largest/largest combination. In these positions an extreme angle is set up, which can lead to noise and accelerated wear. While nothing will break if you shift into these extreme gears, it's best to avoid them as much as possible.
  • Unless you ride where it's flat and you don't need to shift very much, you should shift a lot to keep yourself pedaling easily and comfortably no matter what the terrain's like. Think of yourself as the bike's engine and try to maintain a steady pedaling speed with your legs and change gears anytime your legs feel like they're being slowed down or spinning too rapidly. Good cyclists are always shifting to keep their effort steady and easy and you should, too. And remember that you can't hurt the bike by shifting it! If you have any questions about all of this, just let us know and we'll explain on the phone or demonstrate here in the shop. Shifting is fun!
Note that Shimano Dual Control shifters come with removable thumb levers. It's your choice whether to leave these attached and shift with them or remove them and shift exclusively with the main levers (which double as the brake levers). It's our experience that the latter becomes easy and natural with just a little practice. Another detail about Dual Control shifters is that they're recommended for use with Shimano's Rapid Rise rear derailleur (also called Low Normal). This derailleur differs from all other standard derailleurs in that the main spring pushes the derailleur the opposite way (moving the chain onto the larger cogs instead of the smaller ones). The instructions here show how to shift with and without the removable thumb levers, and assume that you're using a Rapid Rise rear derailleur. If you're not sure what's on your bicycle, just ask and we'll let you know.

Shifting the right lever (see the illustrations below) controls the rear derailleur and moves the chain onto the different cogs in the rear. Notice that there are 2 levers, the main lever, which is also the brake lever, and the lever behind it, the inset lever. You move these levers separately. The main lever can be pressed down and lifted or pulled up (place your extended fingers beneath it and lift, or grab it with your fingertips and pull). The inset lever is pushed with your thumb.
When you're just riding along, your hand rests on the handlebar grip with the shift levers within easy reach, right at your fingertips.The right lever is for shifting the rear derailleur.
When you feel like it's too hard to pedal and want to shift into an easier gear, you can: 1. Extend your fingers so they're beneath the main lever and lift up. Or, 2: Press the thumb lever. Or, 3: Grip the main lever with your fingertips and pull up on it. Any of these actions causes the lever to click with each lift/pull/push and this moves the rear derailleur, which in turn shifts the chain onto the next larger rear cog making it easier to pedal. You can click the lever again to shift into an easier gear, and so on.

Lifting/pulling up (fingers) or pushing (thumb) shifts the bike into easier pedaling cogs.
When you feel like it's too easy to pedal and you'd like a harder gear, you push down on the main lever. It clicks with each push and this moves the rear derailleur, which in turn shifts the chain onto the next smaller rear cog making it harder to pedal. You can repeat as needed.Pushing down shifts the bike into harder-pedaling cogs.
Shifting the left lever (see the illustrations below) controls the front derailleur and moves the chain onto the different chainrings. Notice that there are 2 levers, the main lever and the lever behind it, the inset lever. You move these levers separately. The main lever can be pressed down and lifted, or pulled up (place your extended fingers beneath it and lift, or grab it with your fingertips and pull). The inset lever is pushed with your thumb.
The left lever operates like the right lever, with 2 levers, a main one and an inset one. Because the chainrings vary so much in size, the main lever must be pushed a little further to complete a shift. Like the right lever both levers are within easy reach at all times.The left lever is for shifting the front derailleur.
When you need to make it a lot easier to pedal (as you will when you come to uphills), you can: 1. Extend your fingers beneath the main lever and lift it up. Or, 2. Push the inset lever with your thumb. Or, 3. Grip the main lever with your fingertips and pull up. These actions shift the front derailleur inward moving the chain onto a smaller chainring with each click of the lever, which makes it a lot easier to pedal the bicycle.Lifting/pulling up (fingers) or pushing (thumb) shifts the bike into easier pedaling chainrings.
When you need to make it a lot harder to pedal (as you will when you crest a hill and start going a lot faster down the other side), you push down on the main lever with your fingers, which moves the front derailleur outward shifting the chain onto a larger chainring making the bike a good bit harder to pedal.Pushing down shifts the bike into harder-pedaling chainrings.
That's all there is to it! Now, with a little practice you'll be shifting up a storm and having more fun than ever. Remember, if you have any questions about shifting or anything else cycling, just drop by. We're always happy to help! And, please keep in mind, that if your derailleurs are out of adjustment and your bicycle isn't shifting properly any more we're happy to help you with the problem and get your bike shifting like a champ again. Just let us know. Thanks!
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43 Middlesex Turnpike 
Burlington, MA 01803
(781) 272-0870
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Cycle Loft is a proud supporter of several local, regional and national cycling advocacy organizations. These organizations are tirelessly helping to improve the quality of cycling opportunities and the health of your independent bicycle dealership network. We encourage you to visit their sites to learn more.

Eastern Fat Tire Association
International Mountain Bike Association
League of American Bicyclists
Lexington Farmers’ Market
Light Electric Vehicle Association

National Bicycle Dealers Association
New England Mountain Bike Association
People for Bikes
USA Cycling
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