Bicycle Gear Shift Levers

My Bicycle STI shifting is changing.?
My new bike came with STI shifting. I never had it before. When It was new it shifted with one click of the lever. Now (after 600 miles or so) it often takes two clicks to shift up or down one gear. Do I need to adjust the cables, or is this normal? (Shimano 105 shifters and derailers).
You have 2 good answers already, but I would like to add.
If you have water bottles that you normally fill with sports drinks, check your cable guides under the bottom bracket. Leaking, splashed or dripped dried sports drink can turn into a goo that will interfere with the precision of your shifting. Clean the cables and guides after turning your bike upside down. Scrub with plain hot water with an old tooth brush. Take a finger full of common grease and pack the guide cable track. It will be well lubricated for the cycling season and no more drips can cause sticky cables. Clean and replace the grease annually.
Motorcycle Maintenance & Accessories : How to Set the Gear Shift Lever on a Motorcycle
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Shimano Acera SL-M310 Rapid Fire Shifter, Right (Black, 7-Speed) $12.92 Upgrade your hybrid or mountain bike with the easy-to-use Acera SL-M310 Rapid Fire Shifter from Shimano. Offered at an entry level price-point, this right-side, rear shifter allows you to rapidly shift between the 7 speeds on your bike’s rear cassette. Compatible with most mountain/hybrid bike styles with flat handle bars, the shifter offers an ergonomic design and an indexed speed indicator for e… |
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Shimano Acera SL-M310 Rapid Fire Shifter, Left (Black, 3-Speed ) $13.97 Shimano Shifters, Flat Bar-LeftItem SpecificationsFD/Shifter CompatibilityMountain Triple… |
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Shimano EF-51 Shifter/Brake Lever Combo (3 x 7 Speed) $32.28 The Shimano EF-51 Shifter/Brake Lever Combo is designed to make shifting and braking a seamless process for easier biking. Compatible with 7-speed cassettes/freewheels and triple cranks and with V-brake systems, this combination pair replace separate brake lever and gear shift systems. Designed for ease of use, the unit has an easy-to-read gear indicator. Made by Shimano, the EF-51 Shifter/Brake L… |
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OUTLAW RACING Gear Shifter Shift Changer Lever Pedal KTM 4 -Stroke All $19.95 Aircraft grade aluminum folding shift leverBuilt tough and rugged from aircraft grade alloyTougher than stock and less expensiveHas folding tip and mounting hardware includedKTM Shifter only available in orange… |
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Shimano XT SL-M780 Shift Levers $69.99 Shimano XT SL-M780 Shift Levers. Hang on tight, because Shimano’s new XT M780 shift levers with Advanced Light Action shifting are going to turn your gear-changing world upside down. With improved lever feel, XT M780 shift levers deliver extremely smooth, almost effortless shifting, whether you’re navigating the big end or the small end of your cassette. A mode converter lets you custom-tune the front shifter to function optimally with your Shimano Dyna-Sys crankset’s specific chain ring configuration. |
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Grip Shift MRX 18-Speed Bike Shifter $11.99 Get in gear with this Grip Shift MRX 18-Speed Bicycle Shifter. |
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Grip Shift MRX 24-Speed Bike Shifter $11.99 Get in gear with this Grip Shift MRX 24-Speed Bicycle Shifter. |
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Grip Shift MRX 21-Speed Bike Shifter – Pair $11.99 Get in gear with this pair of Grip Shift MRX 21-Speed Bicycle Shifters. |
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Shimano Ultegra Di2 STI Shift Levers $349.99 Shimano Ultegra Di2 STI Shift Levers. a href=/images/performance/web/PDFs/Ultegra_Di2_.pdf target=_blank style=font-family:Arial, Helvetica, sans-serif; font-size:13px; color:#5F752F; text-decoration:underline;What you need to know: Ultegra Di2 Conversion/a br /br / To talk about Shimano’s Ultegra Di2 shifters in isolation from the rest of the components that comprise the remarkable Di2 system is a bit like talking about the steering wheel of a Lamborghini Murcilago — although both are nice to look at and to wrap your hands around, their functional value is inherently context-specific. On the other hand, there’s a lot to be said for the looks and feel of the Ultegra Di2 shifters. Looks-wise, they’re svelte, ergonomic and elegant, featuring the rich, smoke grey finish that graces the entire Di2 group. Because they have electronic rather than cable-actuated mechanical internals, Ultegra Di2 shift levers are slimmer and lighter than their mechanical counterparts. Like the more expensive Dura Ace Di2 shifters that preceded them, they also don’t require an inward sweep of the brake lever to move the chain to larger cogs in the rear and to the large chainring up front. Instead, just a light touch on one of the two paddles positioned behind the brake lever does the trick. Gear changes are press-of-a-button simple, quick, precise and infinitely consistent. Oh, and get this: Shimano has even incorporated an adjustable reach feature (10mm of incremental adjustment), so you don’t have to forgo the benefits of Di2 just because you happen to have diminutive digits. Add it all up and you’ve got Dura Ace Di2 performance and reliability at a pricepoint that puts Di2 within reach of more of us regular Joes (and Janes) than ever before. |
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2012 Bell Variant Mountain Bike Bicycle Helmet $71.99 2012 Bell Variant Mountain Bike Bicycle Helmet. Whether it’s a day at the trails, a few hours at the park or shuttling down that near vertical descent, this skate-inspired, trail-tuned, bike Bicycle Helmet is ready to play anywhere you take it. With features like Fusion In-Mold Microshell, adjustable visor, Twin Axis Gear fit system, channeled ventilation, and Cam-Lock levers, the Variant’s got it all. |
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Pedro’s Tire Levers $3.99 Pedro’s Tire Levers. Pedro’s Tire Levers-the best bicycle tire levers ever…at least we think so! |
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Spin Doctor Tire Levers $3.99 Spin Doctor Tire Levers. The Spin Doctor Bicycle Tire Levers are tough levers for tough tires. |
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GMC Denali PRO 25” Road Bicycle $337.95 The Denali PRO Road Bike from GMC delivers higher performance at a lower price. At the heart of the Denali PRO, you’ll find a high quality, hand-crafted lightweight aluminum frame for a stiff, responsive ride. The 16 speed drivetrain is equipped with integrated Brake/Shift levers so that you can brake and shift without moving your hands from the handlebar. Dual pivot alloy brakes ensure that you stop on a dime, while lightweight 700c aluminum rims further enhance the dynamic feel of this outstanding bicycle. This attractive road bike offers safety, security and power in one, lightweight package. |
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Campagnolo Super Record 11 Ultra-Shift Ergopower Control Levers $464.99 Campagnolo Super Record 11 Ultra-Shift Ergopower Control Levers. The Campagnolo Super Record 11 Ultra-Shift Ergopower Control Levers are ergonomically designed to provide maximum comfort while delivering high performance shifting to your road bike. |


