Parts

Shimano's Dura-Ace 10-speed Cassette is comprised of aluminum, steel and titanium for exceptional lightness and durability so you can dance up climbs as easily as your chain climbs up and down these cogs.

For awesome shifting, reliability and durability Shimano's 10-speed Dura-Ace Chain is made of the same high-quality and light materials as the rest of Shimano's Dura-Ace components.

Shimano's 10-speed Dura-Ace Chain delivers awesome shifting, reliability and durability. The links are asymmetrical for faster, lighter shifting, superior power transfer and a quieter drivetrain overall. Plus, there are hollow pins for lightness and there's a special connecting link for super-easy installation.

The Dura-Ace 11-Speed Front Derailleur is Shimano's top-of-the-line front changer. The body is made of cold-forged aluminum for weight savings and high strength, and the pivots are spaced extra wide for amazing shifting. Through a redesigned pull arm and change in actuation ratio, Shimano has reduced the shifting effort by 43% while also reducing the throw of the shift lever for the fastest, easiest, smoothest front shifting yet. Plus, the lightweight aluminum cage is nickel plated for superior durability.

Shimano's Dura-Ace Bar-End Shifters are great for tourists, commuters, cyclocrossers, triathletes and time trialists. They provide precise and reliable shifting on double- and triple-chainring drivetrains.

Shimano's Dura-Ace 9-Speed Cassette offers super shifting and reliability. It features Shimano's patented Hyperglide system that allows quick and smooth shifts even under load. And, the drilled teeth, titanium cogs and aluminum cog carrier keep this cassette light for quick acceleration and climbing.

Shimano Dura-Ace Bar-End Shifters are great for tourists, commuters, cyclocrossers and triathletes. They provide precise and reliable shifting on double and triple drivetrains. The rear shifter also offers a friction setting (no clicks).

Shimano's Dura-Ace Bar-End Shifters are great for tourists, commuters, cyclocrossers, triathletes and time trialers. They provide precise and reliable shifting on double- and triple-chainring drivetrains. The rear shifter offers an index and friction mode (no clicks), for use on almost any bicycle.

Firm, instantaneous and powerful, Shimano's Dura-Ace Brake Caliper sets the standard in braking. This may be the most powerful road stopper you've ever used. It's made of lightweight cold-forged aluminum and sports a centering screw, an adjustment barrel, a quick-release lever and cartridge brake pads for simple replacements.

The Dura-Ace Front Derailleur is Shimano's top-of-the-line front gear changer. The body is made of forged aluminum for top-notch strength and the pivots are extra wide for amazing shifting. Plus, the lightweight, replaceable aluminum cage is nickel plated for durability.

Fast, technical descents demand confidence, and Shimano's Dura-Ace Dual-Pivot Brake Calipers set the standard in stopping power. Lightweight, cold-forged aluminum construction and symmetrical pivots offer consistent braking power and modulation. Exceptionally light action, enhanced control, and smooth operation come courtesy of twin pivot bearings.

Shimano's Dura-Ace Rear Derailleur boasts a light and reliable cold-forged-aluminum body with a wide pivot design that boosts rigidity and speeds and smoothes shifts. Plus, the fluorine-coated pivots minimize friction for nearly effortless shifting. And, the oversize sealed-bearing pulleys are silky smooth, ultra quiet, high mileage, and designed to keep out dirt and water.

Now you can ride the same pedals many riders in the Pro Tour love. Shimano's Dura-Ace SPD-SL Pedals boast world-class entry and exit and extra-wide stainless-steel plated platforms for amazing lateral stability, unmatched pedaling power and exceptional durability. These low-profile pedals provide a natural feel and they hang vertically for quick entry. Plus, they feature reliable, low-friction cartridge-and-needle bearings for years of silky-smooth pedaling. And you can dial-in the tension for the perfect entry/exit, too.

These versatile pedals feature adjustable Shimano SPD bindings on one side and standard cages on the other: the perfect combination for riders who ride with cleated cycling shoes and also sometimes with regular shoes. With sealed bearings and chromoly axles, the M324s are durable and practical all-around pedals.

Shimano's M540s are race-ready clipless pedals that don't require a team budget. These rugged and light beauties feature dual-sided Shimano SPD bindings that are easy to enter and exit and grip great for excellent power transfer and maneuverability. The bindings are adjustable for dialing in the perfect entry and exit tension and these sweet pedals have an open mud-shedding design to prevent clogging. The M540s are built to last with chromoly axles and sealed-cartridge bearings.

Shimano's M545s are great for blasting BMX courses, dual-slalom runs and technical trails. They boast large toothed platforms that grip non-cleated shoes for top-notch control and comfort. Plus, there are Shimano SPD bindings, too, to grab your cleated shoes for cross-country use, and they're angled for easier entry. These pedals feature rugged chromoly axles and durable sealed-cartridge bearings, too. - Weight: 567 grams (pair)

You've got to have the right ratio for the track, and Shimano's Dura-Ace cogs come in a range of tooth counts so you can always be prepared. Manufactured from durable chromoly steel, each cog is machined to run perfectly straight.

The Ultegra 10-Speed Cassette delivers pro-level shifting and durability at a price riders without team budgets will appreciate. The computer-enhanced tooth shapes mean you can shift smoothly even under pressure, too.

Shimano's Ultegra 11-Speed Cassette delivers pro-level shifting and durability. The computer-designed tooth shapes and tough cogs mean you can shift quickly, precisely and smoothly even under pressure. Rider-tuned gearing options offer a range of cassettes to suit your riding style.

If you're looking for a quick-shifting, super-light front derailleur, you've found it in Shimano's Ultegra. The wide pivot-link design suppresses flex for light, fast and precise shifts, even under load. And this fine derailleur is built tough for reliability and durability, too.

Shimano's Ultegra Chain (10-speed) offers crisp shifting and excellent durability. It glides over cassettes for fluid-smooth pedaling that makes the miles fly by.

If you're looking for a quick-shifting and reliable front changer, you've found it in Shimano's Ultegra Front Derailleur. Its wide pivots provide flex-free action for surefire shifting every time.

If you're looking for a quick-shifting super-light front derailleur, you've found it in Shimano's Ultegra SL. The wide pivot-link design suppresses flex for light, fast and precise shifts, even under load. And this fine derailleur is built tough for reliability and durability, too.

Shimano's Ultegra SL Dual Control Levers deliver flawless 10-speed shifting, powerful braking and top comfort, too. The SLs share Shimano's Dura-Ace technology for lighter weight and race-worthy quality. And, the ergonomic hoods fit your hands perfectly for top comfort. Plus, these levers get closer to the bar when operated for the easiest and most natural shifting and braking yet.

Shimano's Ultegra SL Dual Control Levers deliver flawless 10-speed shifting, powerful braking and top comfort, too. The SLs share Shimano's Dura-Ace technology for lighter weight and race-worthy quality. And, the ergonomic hoods fit your hands perfectly for top comfort. Plus, these levers get closer to the bar when operated for the easiest and most natural shifting and braking yet.

Shimano's Ultegra SPD-SLs afford you all the luxuries you expect from competition road pedals. These carbon-bodied beauties sport extra-wide platforms with stainless-steel plates which improve pedal contact, reduce cleat wear and provide awesome power transfer. The Ultegras also boast a slim profile that brings you closer to the axles for more efficient pedaling. Plus, their near-vertical hanging position makes getting in after stops super easy, while the adjustable entry and release tension lets you dial-in the perfect feel.

Shimano's Ultegra SPD-SLs afford you all the luxuries you expect from competition road pedals. These stainless-steel pedals sport extra-wide platforms with stainless-steel plates, which both improve pedal contact, reduce wear and provide awesome power transfer. These low-profile pedals also bring you closer to the chromoly axles for more efficient pedaling. And, the near-vertical hanging position makes getting in after stops and on starting lines super easy. Plus, the adjustable entry and release tension lets you dial-in the perfect feel.

Shimano's XTR Disc Brake Caliper has the modulation you demand, and it's powerful enough for the World Cup circuit. This lightweight stopper is a forged mono-body design that makes the brake super light and extremely rigid. Plus, installation is a breeze with International Standard and front post mounts available.

- Forged aluminum - 7/8-inch seat-clamp diameter - 165 grams

• Forged aluminum • Integrated micro-adjust seat clamp