Cranksets

- Optimum Power Transfer - Best Balance For Lighter Weight (-7G) And Efficiency - New Designed Crank Arm - Maintains High Rigidity And Reduces Weight - Hollowglide - 4-Arm Construction Crankset - Adapted For Race Specific Disc Brake System - Shorter Length Of Rear Center With O.L.D. 135mm - Redesign The Gear Teeth Profile To Fit Wider Gear Pitch - 50-34T/53-39T/54-42T/55-42T/52-36T - Iconic Design - Chain Line: 43.5

Origin-8's Pro Pulsion Single Speed Crankset is made of light and durable forged aluminum with a 46-tooth stamped-aluminum chainring. It provide excellent stiffness and power transfer.

Power to the people! Add the Pioneer Power meter to your existing Shimano crank. Pioneer's crankset-based power meters are simply some of the best power-monitoring systems on the planet, and the Upgrade Kit gives you the chance to add it to your existing crankset. At the heart of the Pioneer Power Meter System are two streamlined strain gauge monitors that can detect the slightest tangent and radial force direction as power is applied to the crank arms. This proprietary system detects the amount and the direction of force at 12 different points in each pedaling stroke for each leg, and allows you to fine tune your pedaling to find race-winning form. The Pioneer Power Meter Installation Kit comes with everything you need to package and send your existing Shimano crank to Pioneer for professional installation and calibration. - Compatible with Shimano Dura-Ace 9000 or Ultegra 6800 (Right Side Cranks Only) - Compatible Crank-arm Lengths: 165, 167.5, 170, 172.5, 175, 177.5, 180mm - Fully Integrated Strain Gauge for force measurement - Easy connectivity with ANT+ compatible Cycle Computers - HDPower Metrics when connected to Pioneer Cycle Computers - Lightweight Sensor Only 40 grams

- Stiff oversized hollow-forged aluminum arms for frames with PF30 or BB30 BB shell - Innovative Praxis 35mm external bottom bracket and oversize aluminum spindle - Includes an aluminum BB30/PF30 bottom bracket with precision sealed bearings

Dimension Cruiser one-piece hot-forged chromoly steel cranks. - One-piece, hot-forged chromoly steel crank - Cruiser chainwheels sold separately - Requires 24 tpi American bottom bracket - Crankset has 1/2-inch pedal threading

Whether you're sprinting for the finish line or trying to beat that stoplight, FSA's Carbon Track Crankset is the winning choice. The crankarms are laid up with carbon fiber for a super-light, super-stiff combination you'll love. And, the 49-tooth chainring has no ramps or pins, so it's a true one-speed setup perfect for track or fixie use. This sweet crankset adds class to any bike whether you're circling velodromes or taming city streets.

Secure your chainrings for your ride with Origin-8's Double/Triple Chainring Bolts. Made for double and triple chainrings, each set includes 5 male/female bolts to securely connect your chain rings to the crank. Available in black and silver, as well as aluminum or steel.

Revamp the look of your single speed cranks with some new hardware. Origin-8's Single Chainring Bolts give a high polished look to any crankset. The anodized finish comes in multiple colors to highlight your crank and makes it look as good as you do. You can also choose between steel or aluminum bolts. • Set of 5 male/female bolts • Inside measures 4mm when tightened, 7mm total height

Secure your chainrings for your ride with Origin-8's Double/Triple Chainring Bolts. Made for inner triple chainrings, each set includes 5 male bolts to securly connect your chainrings to your crank.

• 6061-T6 aluminum construction • Adapts 110 or 130 bcd 5-bolt chainrings to fit one-piece or three-piece single bolt cranks • Anodized finish • Made in the U.S.A.

Spacers to insure proper chainline and chainring spacing on your bike. • 0.6mm thick • Sold in a bag of 20 spacers

- Triple replacement crankarms - Cold Forged alloy construction - Great for Recumbent or Junior road rider applications - Does not include BB - 130/74mm bolt-circle diameter - 145mm crank arms

Origin-8's Trekking Crankset is a fine 9-speed compatible mountain bike touring/trekking triple-chainring crankset made of light and durable forged aluminum. It's stiff and has 175mm arms for excellent power transfer, plus it has CNC-machined and ramped and pinned chainrings for smooth and precise shifting. The chainrings are 48-, 38- and 28-tooth.

Origin-8's Classic Sport Single Crankset is made of light and durable forged aluminum and it has a stylish machined-aluminum 46-tooth chainring to make your bike the coolest ride on the block.

Sporting a supreme strength-to-weight ratio, Specialized's S-Works Carbon Mountain Crank Arms are super stiff and ready to propel you up the trails. With a self-extracting bolt for easy maintenance, these fourth-generation hollow crank arms feature an oversized aluminum spindle with a spline interface. It fits all frames with 73mm bottom bracket shell and includes all hardware for Pressfit 30.

- Self-extracting bolts for BB30 cranks: includes puller cap that threads into BB30 crank arms - Sold as singles

- 42x30x7mm BB30 cartridge bearings housed in a press-fit, composite sleeve assembly for use with a BB386EVO or BB30 crankset in a BB386EVO or Press-Fit 30 (PF30) frame - Road sets include bearings, shields and a wavy washer - Mountain sets include bearings, shields and a spacer - Choose ceramic or stainless steel options

This very light, stiff, and strong carbon crank spider optimizes your power transfer. - Stiff and lightweight. - For use with S-Works carbon road cranks.

Campagnolo's Record Pista Crankset gives you amazing power transfer for the toughest sprints. If your days are spent dreaming of velodrome glory, then make sure you have the crankset that can get you there.

Pioneer's full crankset power meters are simply some of the best power-monitoring systems on the planet, and Pioneer's Shimano Ultegra 6800 crankset is your chance to ride the same technology used by the world's best riders. Pioneer's created the first, and only, power meter that measures power output and pedaling stroke efficiency for each individual leg, in real time, so you can analyze and adjust your technique on the fly. At the heart of Pioneer's Power Meter System are two streamlined strain gauge monitors that can detect the slightest tangent and radial force direction as power's applied to the crank arms. This proprietary system detects the amount and direction of force at 12 different points in each pedaling stroke for each leg, allowing you to fine-tune your pedaling to find race-winning form. With advanced technology accurate to +/- 2%, ANT+ transmitting, active temperature compensation, Pioneer's power meter is perfect for any cyclist. Additionally, installation is fast, simple, and clean with zero wires, magnets, or zip ties. - Standard: 53/39 - Mid-Compact: 52/36 - Compact: 50/34

- Horizontal square interface - Only includes left crank

• Singlespeed crankset • Alloy crankarms w/ solid steel chainring • Square taper interface • Does not include BB

•Single speed crankset •Forged alloy crank arms •Square taper interface •Does not include BB •44-tooth chainring •Double chainring guard

• 8-speed Road crankset • Square taper interface • Does not include BB • 1300 grams

• One-piece • 170mm • 24 TPI

• Square taper interface • Only includes left crank

• Square taper interface • Only includes left crank • 175mm length

• Forged steel • 24 TPI

• Forged steel • Square taper • Compatible with 9/16" pedals • Pairs • Cotterless

• Forged steel • 6 1/2-inch • Compatible with 9/16" pedals • Left crank • Cotterless