Contact Modern Bike via email, telephone, or showroom visit.
learn more
You may check the order status of a recent purchase to learn if it has been delayed, when it may ship, or if it has already been shipped.
check order status
Your Shopping Cart contains 0 products. View your cart to change product quantities, apply deal codes, or checkout.
Showing 500 products:
Shimano XT M8000-GS 11-Speed Medium Cage Shadow Plus Rear Derailleur Black
BuyPART NUM 974411
Shimano XT RD-M8000 Rear Derailleurs 46 tooth maximum rear cog for 1x11, 42 tooth maximum for 2x11 and 40 tooth maximum for 3x11 Externally … read more
your price $104.00
BuyPART NUM 974411 
Shimano XT RD-M8100-GS Rear Derailleur - 12-Speed, Medium Cage, Black BuyPART NUM 718427
Deore XT RD-M8100 Rear Derailleur Rear Derailleur Mount Type: Shimano Rear Direct Mount, 10x1 Standard Rear Der/Shifter Compatibility: Shimano Mountain … read more
your price $121.99
BuyPART NUM 718427 
Shimano Deore M6000-GS 10-Speed Medium Cage Shadow Plus Rear Derailleur Black BuyPART NUM 677301
Item Specifications Color: Black Cage Length: Medium Drivetrain Speeds: 10 Rear Derailleur Mount Type: 10x1 Standard … read more
Ships Freeyour price $74.99 + ships free
BuyPART NUM 677301 
Shimano CUES RD-U4000-GS Rear Derailleur - 9-Speed, Shadow Design, Direct Attach, Medium Cage, Black BuyPART NUM 318305
This Shimano CUES RD-U4000 Shadow 1x9-speed rear derailleur's smooth operation and dependability will help inspire riders to expand their trail-riding … read more
your price $52.99 + ships free
BuyPART NUM 318305 
Shimano XT M786 Direct Mount Shadow Plus GS Mid-Cage Rear Derailleur BuyPART NUM 394115
Shimano XT Rear Derailleurs Direct routing reduces the risk of snagging Stronger return spring for more crisp shifting feeling Bracket axle keeps … read more
$19 offretail $139.99 your price $120.99 + ships free
BuyPART NUM 394115 
Shimano XT M8050-GS Di2 11 Speed Shadow Plus Rear Derailleur BuyPART NUM 909495
Shimano XT RD-M8070 Di2 Rear Derailleurs Item Specifications Color: Black Largest Cog: 40 Chain Wrap Capacity: 33 Cage Length: Medium Drivetrain … read more
Lowest Priceyour price $299.99 + ships free
BuyPART NUM 909495 
Shimano Ultegra RD-RX800-GS Rear Derailleur - 11 Speed, Medium Cage, Black, With Clutch BuyPART NUM 598832
The Ultegra RX Rear Derailleur brings Shimanos' chain stabilizing technology road cycling drivetrains, delivering smooth and precise shifting over technical … read more
In Storeyour price $121.99 + ships free
BuyPART NUM 598832 
Shimano Ultegra R8050-GS 11-Speed Di2 Medium Cage Rear Derailleur BuyPART NUM 544382
Item Specifications Weight: 242 Largest Cog: 34 Chain Wrap Capacity: 39 Cage Length: Medium Drivetrain Speeds: 11 Rear Der/Shifter Compatibility: … read more
your price $269.99 + ships free
BuyPART NUM 544382 
Shimano Ultegra R8000-GS 11-Speed Medium Cage Rear Derailleur BuyPART NUM 725813
Item Specifications Color: Black Weight: 210 Largest Cog: 34 Chain Wrap Capacity: 39 Cage Length: Medium Drivetrain Speeds: 11 Rear Der/Shifter … read more
your price $99.99 + ships free
BuyPART NUM 725813 
Shimano Ultegra Di2 RD-RX805-GS Rear Derailleur - 11 Speed, Medium Cage, Black, With Clutch BuyPART NUM 712557
The Ultegra RX Rear Derailleur brings Shimanos' chain stabilizing technology road cycling drivetrains, delivering smooth and precise shifting over technical … read more
your price $321.99 + ships free
BuyPART NUM 712557 
Shimano Tiagra 4700-GS 10-Speed Medium Cage Rear Derailleur BuyPART NUM 954813
Shimano Tiagra RD-4703 Rear Derailleurs Wide link design increases rigidity 11 tooth pulleys for reduced pulley wear and chain noise … read more
your price $48.99 + ships free
BuyPART NUM 954813 
Shimano Sora R3000-GS 9-Speed Medium Cage Rear Derailleur Black BuyPART NUM 452686
Shimano Sora R3000-GS 9-Speed Medium Cage Rear Derailleur Black Item Specifications Color: Black Largest Cog: 34 Chain Wrap Capacity: 43 Cage Length: … read more
popularyour price $43.90 + ships free
BuyPART NUM 452686 
Shimano XTR RD-M9100-GS Rear Derailleur - 12 Speed, Medium Cage, Gray, With Clutch BuyPART NUM 637658
Shimano XTR M9100 rear derailleur features decreased rear derailleur tension at low gear position, to prevent high chain tension at low gear. … read more
your price $273.99 + ships free
BuyPART NUM 637658 
Shimano Claris R2000-GS 8-Speed Medium Cage Rear Derailleur
3 of 5
( 1 )
3 of 5 stars
( 1 review )
BuyPART NUM 333327
Item Specifications Cage Length: Medium Drivetrain Speeds: 8 … read more
3 of 5
( 1 )
3 of 5 stars
( 1 review )
your price $31.99
BuyPART NUM 333327 
Shimano 105 RD-R7000-GS Rear Derailleur - 11 Speed, Medium Cage, Black BuyPART NUM 620951
Shimano 105 RD-R7000 offers Stable shifting performance and Wide compatibility. Item Specifications Color: Black Weight: 225 Largest Cog: 34 Chain … read more
your price $95.00 + ships free
BuyPART NUM 620951 
Shimano 105 5701-GS 10-Speed Medium Cage Rear Derailleur BuyPART NUM 600465
Shimano 105 Rear Derailleurs 30t Max Low Gear when used with triple crank, 32t Max Low Gear when used with double crank 10-speed Large 11-tooth pulleys … read more
your price $94.99 + ships free
BuyPART NUM 600465 
Shimano XT M8000-SGS 11-Speed Long Cage Shadow Plus Rear Derailleur Black BuyPART NUM 115412
Shimano XT RD-M8000 Rear Derailleurs 46 tooth maximum rear cog for 1x11, 42 tooth maximum for 2x11 Externally adjustable clutch for easier … read more
your price $112.00 + ships free
BuyPART NUM 115412 
Shimano ZEE M640 Direct Mount FR Shadow Plus Rear Derailleur
5 of 5
( 1 )
5 of 5 stars
( 1 review )
BuyPART NUM 446479
Shimano ZEE Rear Derailleurs FR spec designed for use with wide-range cassettes; up to 36t max cog Shadow Plus technology proven to reduce chain slap … read more
5 of 5
( 1 )
5 of 5 stars
( 1 review )
your price $109.99 + ships free
BuyPART NUM 446479 
Shimano ZEE M640 Direct Mount DH Shadow Plus Rear Derailleur
5 of 5
( 1 )
5 of 5 stars
( 1 review )
BuyPART NUM 340257
Shimano ZEE Rear Derailleurs DH spec designed for use with close-range (road-type) cassettes; up to 28t max cog Shadow Plus technology proven to reduce … read more
5 of 5
( 1 )
5 of 5 stars
( 1 review )
$27 offretail $109.99 your price $82.99
BuyPART NUM 340257 
Shimano XT M8000-GS Rear Derailleur Outer Cage Plate
4.8 of 5
( 4 )
4.8 of 5 stars average
( 4 reviews )
BuyPART NUM 693782
Shimano XT M8000-GS Rear Derailleur Outer Cage Plat … read more
4.8 of 5
( 4 )
4.8 of 5 stars average
( 4 reviews )
your price $16.99
BuyPART NUM 693782 
"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."
"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."
"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."
"Bicycle use has changed greatly in the last 10 years but we see a bright future in cycling and stay committed to developing products that everyone can understand. MINOURA will continue to enhance product development and planning to keep our 80 year promise of delivering great, well-built products."
"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
Fulcrum Wheels was established in July 2004, based on the idea of three aerospace engineers who are passionate about bicycles. The strong points of this young company include the use of unique patents, ongoing technological research, and the attractive and young-spirited design.
"Every year bikes change, styles and trends evolve, old bikes are in need of repairs and new bikes are waiting for that personal touch. We provide the means to keep your bike on the road and fun to ride!"
"Craig Turner, the founder, spent many years designing aircraft, rockets and racing yachts, with his spare time
consumed by cycling, sailing and designing a large variety of ground breaking consumer products. In 1992
he decided to start one of the first Triathlon stores and build complete Tri bikes weighing as little as 12 lbs.
In 1993 he saw the need for devices to help carry more fluids on longer length triathlons...... XLAB was born.
In 2007, with fi fteen years experience of supplying over 10,000 Tri bikes, he decided to greatly expand the XLAB
range. Today, the XLAB range covers all storage needs for Hydration, Nutrition and Repair for all race lengths
including Sprint, Olympic, Half and Full. With over 90 cutting-edge products XLAB has established
the most winning record in the sport with 24 WORLD TRIATHLON CHAMPIONSHIPS."
"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."
"Jagwire is the number-one cable and housing brand in the world. You'll find Jagwire cables and housings on Giant, Specialized, Felt, Trek, BMC, Cannondale, Norco, Scott, Globe, KHS, Bianchi, Ridley and hundreds more international brands. Jagwire invites you to take your bike beyond ordinary in a blaze of light, color and texture with our family of integrated control system products. From a rainbow of cable housings and brake pads to stylish shifter mounts, Jagwire helps you transform your ride into a rolling gallery of self-expression."
We define color as the main color of the item. It may have accents or highlights in other colors.
These models are available for online purchasing and can be shipped directly to you.
The number of speeds should correspond to the number of cogs on the cassette.
Cage Length
Our Lowest Price - This product is ineligible for additional discounts or rebates.
In Store products are available to view in our showroom. In Store orders usually ship the same or next business day.
These products are one of our best sellers.
Buy this product and your entire order ships for free.
Some orders are inelligible for delivery discounts. See offer details for disqualifying products and destinations.