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"hope t rex ratio expander sprocket 40t for sram gold"

Showing 187 products:

Hope T-Rex Cog, Shimano - 40t
Hope T-Rex Cog, Shimano - 40t

CNC 7075 aluminum 40t cog adapts a 11-36t 10spd cassette to give an 11-40t range T-Rex cog installs behind existing cassette, replacing one … read more

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6% offretail $85.00 your price $79.99 + ships free

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Sunrace RDMZ80 MD 12sp Rear Derailleur Black
Sunrace RDMZ80 MD 12sp Rear Derailleur Black

Carbon cage with adjustable chain stabilizer Forged alloy links 14t lower pulley and 12t upper pulley Max rear sprocket is 50t with 1X setup; 42t … read more

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your price $192.99 + ships free

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Sunrace RDMX60 MD 10/11/12sp Rear Derailleur Black
Sunrace RDMX60 MD 10/11/12sp Rear Derailleur Black

Alloy cage with adjustable chain stabilizer Forged alloy links 14t lower pulley and 12t upper pulley Max rear sprocket is 50t with 1X setup; 42t … read more

your price $87.59 + ships free

BuyBuyPART NUM 820752
E*thirteen Extended Range Cog SRAM 42t - Red
E*thirteen Extended Range Cog SRAM 42t - Red

Extended range aluminum 40t or 42t cogs to fit either Shimano/SRAM 10-speed cassettes 42t is compatible with 36t max cassettes while 40t is compatible … read more

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your price $69.95 + ships free

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Sunrace Cs-m680, 11-40t
Sunrace Cs-m680, 11-40t

8 speed, wide ratio MTB cassette Lightweight design Range: 11-40t Gears: 8sp Cogs: 11,13,15,18,22,28,34,40 Color: Black Weight: 456g Model: CSM680 … read more

your price $27.99

BuyBuyPART NUM 962913
Praxis Works M30 Thru T47 External 68/73mm
Praxis Works M30 Thru T47 External 68/73mm

30mm drive bearing/30mm non-drive bearing bottom bracket For use with Praxis Lyft cranks and is compatible with 30mm spindle SRAM, Race Face/Easton … read more

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your price $45.00

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e*thirteen TRS+ Dual guide, (IS-05) 32-40t max - black
e*thirteen TRS+ Dual guide, (IS-05) 32-40t max - black

Super-light, dual ring chainguide with 6061-T6 backplate without direct mount bashguard Replaceable upper sharkfin wearplate prevents chain drop and … read more

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6% offretail $99.95 your price $93.95 + ships free

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e*thirteen TRS+ Dual DMB (IS) 32-40t max - black
e*thirteen TRS+ Dual DMB (IS) 32-40t max - black

Dual ring chainguide with 6061-T6 backplate and removable direct mount bashguard Replaceable upper sharkfin wearplate prevents chain drop and allows … read more

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$15 offretail $149.95 your price $134.95 + ships free

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e*thirteen TRS+ Dual DMB (BB Wide) 32-40t max - black
e*thirteen TRS+ Dual DMB (BB Wide) 32-40t max - black

Dual ring chainguide with 6061-T6 backplate and removable direct mount bashguard Replaceable upper sharkfin wearplate prevents chain drop and allows … read more

Currently Sold Out

$15 offretail $149.95 your price $134.95 + ships free

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The Shadow Conspiracy Maya Chainring, 25T, Silver
The Shadow Conspiracy Maya Chainring, 25T, Silver

The latest design from the fertile mind of Joris Coulomb, the Maya Sprocket pairs eastern mysticism and tech materials to deliver one of the most unique … read more

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your price $29.99

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The Shadow Conspiracy Maya Chainring, 25T, Copper
The Shadow Conspiracy Maya Chainring, 25T, Copper

The latest design from the fertile mind of Joris Coulomb, the Maya Sprocket pairs eastern mysticism and tech materials to deliver one of the most unique … read more

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your price $29.99

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Wolf Tooth Components 107 BCD Road Chainring Flat Top 40T - Black
Wolf Tooth Components 107 BCD Road Chainring Flat Top 40T - Black

Compatible with most new SRAM 1x road cranks that use the 107 BCD\nspider with or without power meter Drop Stop B is 10, 11, & 12spd Eagle and Flattop … read more

your price $84.95 + ships free

BuyBuyPART NUM 805660
Rotor QX1 Spider For Rex 1.1/2.1, 76mm BCD Black
Rotor QX1 Spider For Rex 1.1/2.1, 76mm BCD Black

Individual spiders for Rotor Rex 1.1/2.1, SRAM GXP and Specialized crank arms for mounting QX1 rings Made in Spain from CNC machined 7075-T6 … read more

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your price $59.99 + ships free

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Kask Rex Blue / Light Blue Large
Kask Rex Blue / Light Blue Large

Designed by pros to be ridden by everyone. The all new Kask REX may be the most comfortable mtb helmet that you have ever worn. Rear coverage from the … read more

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your price $199.95 + ships free

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Praxis Works Narrow Wide Ring 5x110mm 40T
Praxis Works Narrow Wide Ring 5x110mm 40T

Narrow Wide tooth profile for better chain retention 5x110mm BCD ring are compatible with 110BCD spider-based power meters such as Power2Max, SRM … read more

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your price $85.00 + ships free

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Praxis Works Narrow Wide Ring 3-Bolt DM 40T
Praxis Works Narrow Wide Ring 3-Bolt DM 40T

Narrow Wide tooth profile for better chain retention 5x110mm BCD ring are compatible with 110BCD spider-based power meters such as Power2Max, SRM … read more

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your price $85.00 + ships free

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Wolf Tooth Components Ellipticall 8-Bolt Chainring Flat Top 42T - Black
Wolf Tooth Components Ellipticall 8-Bolt Chainring Flat Top 42T - Black

These direct mount chainrings will replace your existing chainring and spider or replace the direct mount chainring for SRAM AXS cranksets and other … read more

your price $84.95 + ships free

BuyBuyPART NUM 333573
Wolf Tooth Components Ellipticall 8-Bolt Chainring Flat Top 40T - Black
Wolf Tooth Components Ellipticall 8-Bolt Chainring Flat Top 40T - Black

These direct mount chainrings will replace your existing chainring and spider or replace the direct mount chainring for SRAM AXS cranksets and other … read more

your price $84.95 + ships free

BuyBuyPART NUM 929363
Wolf Tooth Components Ellipticall 8-Bolt Chainring Flat Top 44T - Black
Wolf Tooth Components Ellipticall 8-Bolt Chainring Flat Top 44T - Black

These direct mount chainrings will replace your existing chainring and spider or replace the direct mount chainring for SRAM AXS cranksets and other … read more

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your price $84.95 + ships free

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We The People Network BMX Frame - 21.1" TT, Dark Gold
We The People Network BMX Frame - 21.1" TT, Dark GoldWe The People

Dan Kruk’s signature Network frame has been tested in the lab and in the streets for a solid year and we are now beyond hyped to finally bring it to you. … read more

$123 offretail $409.99 your price $286.99 + ships free

BuyBuyPART NUM 629950
We The People

"W-T-P have always taken a lot of pride in ourselves and in building bikes that are capable of taking everything a rider throws at them. We are constantly at the forefront of developing and manufacturing materials that will with stand hard and furious riding and our designs are made to combat common breaks and bends."

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Full Speed Ahead

"We move forward with a desire to deliver the best possible components to our customers and a determined spirit of competition."

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SRAM

"Incremental enhancements. Perpetual improvements. Revolutionary Innovation. When advancements are continuously made to every attribute of every component, the result is overall performance that is simply second to none. And to real cycling enthusiasts, there is nothing more gratifying then achieving the ultimate ride. And the best part is we just keep making it better. This is what SRAM is all about."

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Campagnolo

"Campagnolo puts all of its professionalism and expertise into the manufacture of its components in Via della Chimica plant in Vicenza. All production takes place exclusively within Campagnolo's own plants, so that product development can be a fully integrated part of the process. Every step in the process, from design and engineering to testing and industrialisation, takes place within Campagnolo facilities. Campagnolo even develops its own tools, machinery and technology so that it can produce only the very best components and wheels for racing bicycles."

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Shimano

"Shimano practices good local citizenship, pursues continued access to those areas that are enjoyed by outdoor enthusiasts, and is committed to minimizing our impact on the environment."

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Cane Creek

"The world's best choose Cane Creek. A key element of Cane Creek's mission is to support the sport of cycling, including racing, charitable activities and cycling advocacy. Cane Creek believes strongly in the power of bicycles and their potential to effect positive change in our society. To that end, Cane Creek supports athletes and teams whose purpose encompasses more than competitive racing, such as getting more people on bikes, improving or promoting a healthy lifestyle, and making our world better through the use of a bike."

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Birzman

"At Birzman, our mission is simple, keep riders riding, exploring and living boundlessly. In doing all we can to keep you riding, we make commitments: We are committed to producing tools that are more functionally efficient and durable. We are committed to producing tools that share the same pride of place as your bicycle."

Out on the trail and on the open road is where enthusiast, pro-teams and pro-riders get to experience the Birzman difference.

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Park Tool

"Park Tool has been manufacturing bicycle specific tools since 1963. Based out of St. Paul Minnesota, we are the world's largest bicycle tool manufacturer. A long-term dedication to quality, innovation, and customer service has made Park Tool the first choice of professional and home bicycle mechanics around the world."

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Industry Nine

"Industry Nine hubs are handmade in Asheville, NC"

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CeramicSpeed

"Upgrading your hubs, bottom brackets and pulleywheels will give you exactly what you need. CeramicSpeed bearings reduce friction, improve power transfer and have greater longevity."

Learn more about CeramicSpeed

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Fyxation

"Fyxation is a manufacturer of fixed gear bicycle parts, commuter bicycle parts, urban bicycle parts and fixie bicycles."

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Chainring Teeth

The number of speeds should correspond to the number of cogs on the cassette.

Cage Length

These models are available for online purchasing and can be shipped directly to you.

We define color as the main color of the item. It may have accents or highlights in other colors.

Cassette Speeds

Range

The bottom bracket shell width is the width, in millimeters, of the frame where the bottom bracket is mounted.

Chainwheel Color

Chainwheel Teeth

These single chain rings have special properties which help retain the chain on the ring.

Helmet Color

In Store products are available to view in our showroom. In Store orders usually ship the same or next business day.

Our Lowest Price - This product is ineligible for additional discounts or rebates.

Top Tube Length

Buy this product and your entire order ships for free.

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