Parts

The Butterfly Carbon is the lightest of the Butterflies thanks to the addition of carbon rails. It's wider in the rear than typical saddles for good support of a woman's sit bones. The Butterfly Carbon's low profile, flat top, and a complete cutaway through the center are designed to provide pressure relief and support in the right areas. Injection-molded foam is used to provide the right balance of softness and stiffness so you won't sink into the saddle the longer you ride. - Black leather with gloss butterfly graphic and patent leather rear - Signature Butterfly cutaway through the center of the saddle for pressure relief - Length x width: 262mm x 155mm - Weight: 218 grams; 7.7 ounces - Rails: lightest weight Carbon 10mm H (+/- .5mm) x 7mm W (+/- .5mm) note: check seat post for compatibility as it may require an adapter kit (available from some seat post manufacturers)

Experience fabulous comfort and support a great cause with Terry's Donna's Black Butterfly. This innovative saddle is completely cut away through the mid section for unsurpassed pressure relief and comfort, and it boasts lightweight rails. Plus, the full-grain leather top and built in suspension make every ride fantastic.

Ridden and universally loved around the world, the Terry Fly is the kind of saddle you just don't think about. We've sold them to everyone from pro rider to Silicon Valley entrepreneurs. It's a favorite of RAAM riders and randonneurs, and has been hailed by journalists as the most comfortable saddles for men. The Fly Cromoly Gel version takes comfort up a level with the addition of a thin gel layer along the top, making this a wonderful saddle for endurance/distance riders. It's made in Italy, completely seamless, and contoured to support sit bones and relieve pressure in key areas. - Smooth Dura-tek with screen-printed accent - Completely seamless across saddle top to reduce the potential for chafing - Thin gel layer for added comfort - Center cutaway with rear relief channel that reduces contact points - Length x width: 277mm x 140mm - Weight: 321 grams; 11.3 ounces - Rails: FeC alloy

Looking for a great brake upgrade for your SRAM or Campagnolo-equipped cyclocross bike? TRP's CX-8.4 linear-pulls are the answer. The 84mm-tall CNC'd-aluminum arms work seamlessly with SRAM and Campy levers, and they deliver outstanding stopping power and speed control while providing ample mud clearance. Plus, the integrated barrel adjuster on the noodle makes those on-the-fly adjustments simple. Feathery titanium hardware keeps weight down, and you'll love the brake-pad holders that make toeing-in and replacing the pads a breeze.

Bred from the racetrack, the newly formulated Performance Resin Pads are our highest performing pads to date. - New Performance Resin Compound - Fits all TRP 4-Piston Calipers - Increased Heat Stability - Shorter Bed-In Process - Provides a lighter lever feel - Increases power transfer with a snappy initial bite - Sold Per Wheel

Full sintered metallic replacement pads for flat mount Hylex RS brakes. - Full metallic compound for maximum performance and power - Fits Hylex RS brakes - Color: TRP Copper - Sold per wheel

TRP’s new slotted rotor is designed for the most demanding riders in the most demanding conditions. Six recessed slots create channels to allow water, mud, and other debris trapped between the pad and rotor to escape during braking. When debris gets trapped between the pad and rotor braking power is dramatically reduced, these recessed slots maintain a more consistent brake feeling in mixed conditions. Upgrade the stopping power and heat dissipation by increasing the size of your rotor giving you more surface area and leverage. - Sizes: 140mm, 160mm, 180mm, and 203mm - Six slots to remove water, mud, and debris - Single piece design for weight savings - Weight: 117g (160mm)

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

• Forged aluminum • Integrated micro-adjust seat clamp

• Aluminum • CNC-finished

Shimano's 105 Bottom Bracket Cups are for Shimano's integrated crankset (FC-5600). Choose from English or Italian thread.

Shimano's 105 Bottom Bracket Cups are for Shimano's integrated crankset (FC-5600) and have an English thread.

Shimano's 105 Clamp-On Front Derailleur sports extra-wide beefy pivots, which eliminate flex for lightning-quick shifts. Plus, the clear-coated aluminum body and chrome-plated-steel cage will last for years.

Whether you're planning on riding a century, pushing the pace with friends or just like to ride fast, you'll appreciate the stiff and efficient power transfer of the Shimano 105 Crankset. It boasts hollow-forged-aluminum arms that are light, incredibly strong and rigid.

Shimano's 105 Rear Derailleur is a sweet upgrade. Shifting is almost effortless thanks to its light-action spring and the top pulley stays a uniform distance from each sprocket so shifts resonate with the plunk of exact gear engagement. And, the wide outer-pivot design increases rigidity for precision shifts every time.

Shimano's Click'R PD-T400 offers easy access to the cycling lifestyle, no matter your experience level. The Click'R pedal system requires 60% less effort than a standard Shimano SPD, so clipping in or out is smooth and effortless. And, adjustable spring tension provides customizable pedal performance to suit your riding style. A wide, supportive pedal cage, and a double-sided clipless pedal, impart confidence, letting you ride with ease and comfort. Tough chromoly axles and low-maintenance sealed cartridge bearings provide on-road and on-trail durability. - 507 grams (pair)

Shimano's Deore XT Dyna-Sys 10-speed Front Derailleur sports a lightweight aluminum cage that's chrome plated to reduce wear, and the body boasts wide parallel pivots that provide fast, smooth, and reliable shifts every time. This model is specifically optimized for 3x10 set ups and can handle 42-tooth cassettes. The clamp is compatible with 28.6, 31.8, and 34.9mm tubes.

The Deore XT Hydraulic Disc Brake utilizes mineral oil for an excellent balance of control, instantaneous stopping power and environmental and mechanic friendliness. The mono-body design makes this brake super light and extremely rigid. Plus, the Center Lock rotor is a breeze to mount.

The Deore XT Trail Pedals are perfect for aggressive riders on rough trails. The pedal body is based on Shimano's race-winning XTR design, with super easy entry and exit, wide, stable and comfortable platforms and an open, mud-shedding design. The main difference is the integrated cage that surrounds the body. It not only protects your pedals from hits, it gives you more surface and contact area when clipped in and provides a stable platform when you're not clipped in. A nice touch when cleaning dicey, high-consequence sections. They're also built to last with tough chromoly axles and low-maintenance sealed bearings. And the cleat tension is adjustable so you can dial in the perfect setting. - Weight: 408 grams (pair)

Shimano's Deore XT 10-speed Front Derailleur sports a lightweight aluminum cage that's chrome plated to reduce wear, and the body boasts wide parallel pivots that provide fast, smooth, and reliable shifts every time. This derailleur is for use with frames with a direct mount front derailleur tab.

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.