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  Sram PG 980 9 Speed Cassette 2007 Sram PG 980 9 Speed Cassette 2007

Get the same reliable, lightweight performance BlackBox racers enjoy.

Sram PG 980 9 Speed Cassette 2007 was tested in the professional circuit, proven by the riders on the podium. The SRAM® PowerGlide II™ 9 speed cassette satisfies the demands of mountain biking enthusiasts the world over, from elite racers to weekend trail riders.

SRAM Components Click here to see all products by SRAM Components

  Shimano LX M580 Cassette 9 Speed Shimano LX M580 Cassette 9 Speed

High-energy components that are at home on or off the road

The new DEORE LX® group features the popular and revolutionary functions from the XTR® and DEORE XT® groups, including the Dual Control Lever™ with ergonomic design, HOLLOWTECH® crankset and the hydraulic disc brake system. This more affordable group will give you all the control you need for your favorite XC trail.

Computer designed Hyperglide® (HG) sprockets incorporate specifically positioned shift ramps and tooth profiles for improved chain control during shifting. Fast and responsive indexed shifting is the result.

Shimano LX M580 Cassette 9 Speed features a lighter weight minimal design sprocket carrier.


  Shimano XTR M970 Cassette Shimano XTR M970 Cassette

The benchmark of cross country component design

XTR® has been designed to give that expected Shimano reliability while adopting a new generation of shifting, drivetrain and braking systems. From the easy and flexible shifting performance of the Dual Control™ shift lever to the super-lightweight, linear response, & ultra-light disc brake design, XTR continues to be the benchmark of off-road cross-country component design.

Computer designed Hyperglide® (HG) sprockets incorporate specifically positioned shift ramps and tooth profiles for improved chain control during shifting. Fast and responsive indexed shifting is the result.

Shimano XTR M970 Cassette features Close-Ratio wide-range Mega-9 Gearing, light weight design, HG Sprokets design, and an Alloy Sprocket Carrier.

Computer designed Hyperglide® (HG) sprockets incorporate specifically positioned shift ramps and tooth profiles for improved chain control during shifting. Fast and responsive indexed shifting is the result.


  Shimano Ultegra 6600 10 Speed Cassette Shimano Ultegra 6600 10 Speed Cassette

Ultegra™ defines the "New Spirit of the Sport"

Continuing advances in human engineering technology stand behind road components that provide racing, sport and fitness cyclists with higher levels of control & response. Ultegra™ components use the advanced functions of Dura-Ace® including Hollowtech® 2 and refined ergonomic shifters. The more affordable Ultegra™ simply can't be matched.

Computer designed Hyperglide® (HG) sprockets incorporate specifically positioned shift ramps and tooth profiles for improved chain control during shifting. Fast and responsive indexed shifting is the result.

Shimano Ultegra 6600 10 Speed Cassette features a nickel plated finish.

  Shimano Dura-Ace CS-7800 10 Speed Cassette Shimano Dura-Ace CS-7800 10 Speed Cassette

Performance without compromise

Three key words have emerged as the theme for the DURA-ACE® system: Speed, Smooth and Strength. Speed and Smooth result in effortless shifting, improved braking operation, enhanced ergonomics and an attractive feeling and design. Strength is focused on the critical need for lightweight without sacrificing rigidity, durability or precision. "100% Power Transmission" is the goal pursued by the fusion of these three concepts. Ride Dura-Ace® to see why Lance has ridden to 7 Tour de France victories aboard Dura-Ace components.

Computer designed Hyperglide® (HG) sprockets incorporate specifically positioned shift ramps and tooth profiles for improved chain control during shifting. Fast and responsive indexed shifting is the result. A superior surface treatment of CS-7800 has been applied to the titanium sprockets which increased durability by approximately 30%.

Shimano Dura-Ace CS-7800 10 Speed Cassette features Titanium, alloy carrier mounted large sprockets and is 9-speed freehub compatible. Use with Super Narrow Chain for 10-speed.

Computer designed Hyperglide® (HG) sprockets incorporate specifically positioned shift ramps and tooth profiles for improved chain control during shifting. Fast and responsive indexed shifting is the result.

  Shimano Ultegra 6500 9-Speed Cassette Shimano Ultegra 6500 9-Speed Cassette

Ultegra™ defines the "New Spirit of the Sport"

Continuing advances in human engineering technology stand behind road components that provide racing, sport and fitness cyclists with higher levels of control & response. Ultegra™ components use the advanced functions of Dura-Ace® including Hollowtech® 2 and refined ergonomic shifters. The more affordable Ultegra™ simply can't be matched.

Computer designed Hyperglide® (HG) sprockets incorporate specifically positioned shift ramps and tooth profiles for improved chain control during shifting. Fast and responsive indexed shifting is the result.

Shimano Ultegra 6500 9-Speed Cassette delivers fast, quiet and smooth shifts.

  Shimano Dura-Ace CS-7700 9-Speed Cassette Shimano Dura-Ace CS-7700 9-Speed Cassette

Performance without compromise

Three key words have emerged as the theme for the DURA-ACE® system: Speed, Smooth and Strength. Speed and Smooth result in effortless shifting, improved braking operation, enhanced ergonomics and an attractive feeling and design. Strength is focused on the critical need for lightweight without sacrificing rigidity, durability or precision. "100% Power Transmission" is the goal pursued by the fusion of these three concepts. Ride Dura-Ace® to see why Lance has ridden to 7 Tour de France victories aboard Dura-Ace® components.

Computer designed Hyperglide® (HG) sprockets incorporate specifically positioned shift ramps and tooth profiles for improved chain control during shifting. Fast and responsive indexed shifting is the result.

Shimano Dura-Ace CS-7700 9-Speed Cassette delivers fast, quiet and smooth shifts.

  Gusset Steel Cog Gusset Steel Cog

Conversion from 8/9 speed freehub to single speed can now be achieved thanks to the Gusset Steel Cog. This deep-toothed single sprocket suits 1-ER single speed kits and is HG splined to fit shimano compatible freehub bodies. Chrome plated for durability, the Gusset Steel Cog's 3/32" teeth will fit 8/9 speed chains.

Click Here to see more of our ever growing Single Speed Parts Department.

  Endless Bikes Fibonacci Single Speed Spacer Kit Endless Bikes Fibonacci Single Speed Spacer Kit

The Fibonacci Spacer kit has been designed such that any chain line can be achieved within an accuracy of +/-1mm using a kit of as few spacers possible. The clean look and total functionality of the Fibonacci Spacer Kit is unparalleled by any single speed spacer kit coming before it. The kit inlcudes eight precision machined spacers in millimeter width of Fibonacci numbers 1 through 21.

The Fibonacci sequence is a series of numbers in which each number is the sum of the previous two. The sequence is 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, etc. Numbers in this sequence are found throughout nature, such as the number of spirals in seed bearing plants like sunflowers and pinecones, as well as in the number of petals on flowers. Additionally, as the series continues, the ratio of two consecutive numbers approaches 1:1.618... which is known as the golden ratio. The golden ratio defines what are often considered the most eye pleasing geometric shapes, which can be found in the construction of the Parthenon, and in the proportions of Leonardo da Vinci's famous study of the human body.

To simplify the kit while ensuring a perfect chainline for any crank, bottom bracket, chainring, and rear hub combination, this series of widths is an absolute guarantee that you will have what you need to set up a perfect chainline. Any width needed can be achieved with three or fewer spacers placed inboard of your cog, guaranteed.

Click Here to see more of our ever growing Single Speed Parts Department.

  Sette Single Speed Conversion Kit Sette Single Speed Conversion Kit

Sette Single Speed Conversion Kit
Turn your existing free hub body into a single speed machine in minutes!

Available in 16 and 18 tooth cogs, you have the choice in what gear ratio suits your neck of the woods the best. It comes complete with two spacers, 2 cogs, and a lockring. Weighing in at only 68g for the 16 T and 85g for the 18 T, the Sette Single Speed Conversion Kit is a weight watcher's dream. For best performance, you will want to use an 8 speed or Single Speed Specific Chain. Compatible with 8/9/10 speed cassette hubs.

Click Here to see more of our ever growing Single Speed Parts Department.

Sette Click here to see all products by Sette

  Shimano XT M770 9 Speed Cassette Shimano XT M770 9 Speed Cassette

Engineered for the way you ride!

As Mountain bikes continue to become more diverse, obviously components must evolve. New Shimano Deore XT® addresses the various needs of today's riders. Together with double rear derailleur "Shimano Shadow RD" was specially designed for all mountain riding. Together with double-servo-panta mechanism derailleurs now, you have the right choices for several off road styles. New XT disc brake with a new level of performance and controllability, features high power braking. "Engineered for the way you ride". With the same concept as XTR®, new Deore XT® is born.

Shimano XT M770 9 Speed Cassette features increased stiffness, Spider Arm, and Aluminum Lock Ring.

Hyperglide® (HG) sprockets incorporate shift ramps and specially contoured tooth profiles. This improves chain control, especially during down shifts, to provide a fast and precise shifting action without slipping or engagement shock. HG® sprockets guide the chain quickly and directly to the next sprocket without override.


  White Industries ENO Freewheel White Industries ENO Freewheel

Freewheels have notoriously been considered an Achilles heel to the drive train system. Traditionally, the freewheel has been considered a disposable component that should be replaced on a regular basis. White Industries approached the component differently. Their mind set was to create and manufacture a freewheel that would be durable, reliable and easily maintained. The ENO freewheel utilizes a sealed cartridge bearing instead of a loose ball system. The advantage of the cartridge bearing is that it is sealed from the elements such as mud, grit, and water. The other benefit is that the bearing is nicely contained in one simple unit and can be easily pulled and replaced when worn rather than working with loose balls and retaining rings. The ENO freewheel features a machined inner driver and machined outer gear casing resulting in a freewheel that runs concentrically without the tight and loose spots common to other freewheels. The driver utilizes 36 engagement points and three tool steel pawls for the standard freewheel. The trials version operates with six tools steel pawls in 72 engagement points. Freewheels are made in the USA.

Freewheels Sold Individually

White Industries Click here to see all products by White Industries

“…This is the first time that the word “bling” could be applied to BMX freewheels. After a year of use, it hasn’t been cared for in any way whatsoever, and is still running smooth and solid. While it costs a hell of a lot more than garden variety BMX freewheels, it is sealed against the elements and lasts longer than a few months, something most unsealed BMX freewheels can’t boast.” Ferrentino, Mike. “Style in Spades” Bikemag.com. http://www.bikemag.com/gear/drivetrain/032806_white/

Click Here to see more of our ever growing Single Speed Parts Department.

  Sram PG-990 9 Speed Cassette 2008 Sram PG-990 9 Speed Cassette 2008

Reliable and durable cassette technology. SRAM's cassette performance is optimized through tooth profile and shift ramp design for quick and positive index shifting.

SRAM Components Click here to see all products by SRAM Components

  Sram PG-980 9 Speed Cassette 2008 Sram PG-980 9 Speed Cassette 2008

Reliable and durable cassette technology. SRAM's cassette performance is optimized through tooth profile and shift ramp design for quick and positive index shifting.

SRAM Components Click here to see all products by SRAM Components

  Sram PG-970 9 Speed Cassette 2008 Sram PG-970 9 Speed Cassette 2008

Reliable and durable cassette technology. SRAM's cassette performance is optimized through tooth profile and shift ramp design for quick and positive index shifting.

SRAM Components Click here to see all products by SRAM Components

  Sram PG-950 9 Speed Cassette 2008 Sram PG-950 9 Speed Cassette 2008

Reliable and durable cassette technology. SRAM's cassette performance is optimized through tooth profile and shift ramp design for quick and positive index shifting.

SRAM Components Click here to see all products by SRAM Components

  Sram PG-850 8 Speed Cassette 2008 Sram PG-850 8 Speed Cassette 2008

Reliable and durable cassette technology. SRAM's cassette performance is optimized through tooth profile and shift ramp design for quick and positive index shifting.

SRAM Components Click here to see all products by SRAM Components

  ACS Claws Freewheel 3/32 ACS Claws Freewheel 3/32

The lightest drive trains run the narrowest cogs. CLAWS are the competitor's choice for BMX racing & single-speed ATB. Fits standard English threads.

Click Here to see more of our ever growing Single Speed Parts Department.

  IRO Track Cog IRO Track Cog

IRO cogs in 3/32" CNC machined Cro-Mo matte black finish.

Click Here to see more of our ever growing Single Speed Parts Department.

IRO Click here to see all products by IRO

  Rennen Single Speed Cog Rennen Single Speed Cog

Rennen Design group is a rider owned company committed to offering the best in design and prototyping services for the bicycle industry.

Years of competitive cycling experience has gained them a unique perspective on the application and production process of bicycle components. Both form and function are top priorities in every project, ensuring that the end result will look as good as it performs.

There are no cubicles, no rules, no restraints; Just a team of dedicated individuals who like to ride their bikes at the top level.

Rennen Single Speed Cogs are precision machined from aircraft quality 7075-T6 Aluminum ( 83% stronger than 6061) and polished to a beautiful luster, offering the highest performance at the right price. Rennen Cogs are 3/16" thick at the Spline interface assuring that you won't damage your precious hubs. Only Rennen Cogs offer a single speed specific tooth profile which have been designed to extend tooth life. At 0.6oz (17 grams, 16T) this makes Rennen Cogs one of the lightest on the market.

The Perfect Choice for a afternoon SS ride or a Practice Session at the BMX Track!

Cogs are Shimano Spline compatible and will work with 8 & 9 speed chains.

Rennen Design Group Components are Made in the USA

Click here to see all products by Rennen Design

  Sram PG-970 DH Cassette 2008 Sram PG-970 DH Cassette 2008

PG-970 DH PowerGlide II™ Cassette

SRAM's reliable and durable cassette technology. Our cassettes performance is optimized through tooth profile and shift ramp design for quick and positive index shifting.

SRAM Components Click here to see all products by SRAM Components

  Sram Red OG 1090R 10 Speed Cassette 2008 Sram Red OG 1090R 10 Speed Cassette 2008

Enter a world where high-performance, race-ready technology is taken one step beyond. SRAM Red is a living lab creating competition-vanquishing advantages that exceed the demands of the sport’s most serious riders.

Sram took the standard cassette and turned it inside out!

There are times when the simplest solution is the best one. In the case of the new OG 1090 Cassette, simplicity also means elegance, efficiency, and performance. We took up the challenge of re-engineering the cassette from a component made up of many parts down to stripped down but exceptionally strong set of cogs that stick firmly to SRAM Red’s core principles of light weight, higher efficiency, and maximized technologies.

The main cogset of the OG 1090 cassette is machined out of a single forged form that is heat treated and then shaped in a complex series of CNC-guided operations never before seen in this type of application. This is truly a revolutionary design that will take you by surprise with its ingenious simplicity. The sprockets themselves (including two free cogs) have all been designed with SRAM’s proprietary OpenGlide™ design for smooth-as-silk up- and downshifts. Weight, stiffness, and strength-wise, the radical OG 1090 Cassette delivers titanium’s desirable weight, with solid steel’s superior strength and stiffness.

• Lightweight: Innovative CNC‘d chromoly steel construction.
• Durable: 35% harder than titanium! Capped with a premium electroless nickel finish.
• Stiff: 15% stronger that its nearest competitor due to the one piece construction.

• OpenGlide technology allows for the smoother transition between gears when up- and downshifting
• OG 1090 design merges stiffness, durability, and simplicity in a revolutionary new package

SRAM Components Click here to see all products by SRAM Components

  Race Face Bashguard Race Face Bashguard

Race Face Bashguard was designed to protect your middle and inner chainring from impacts. Manufactured from bombproof, super thick, heat treated aluminum. CNC profiling gives a 25% weight savings over “cookie cutter” bash rings. New 4 bolt option covers up to a 34T ring.

Click Here to see more of our ever growing Single Speed Parts Department.

Race Face Click here to see all products by Race Face