8 Speed Bicycle Rear Derailleurs
The number of speeds should correspond to the number of cogs on the cassette.
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.
Sort
Showing 15 products:
microSHIFT Acolyte Rear Derailleur - 8 Speed, Medium Cage, With SpringLock Chain Retention 
BuyPART NUM 465431
The heart of the Acolyte derailleur is our innovative SpringLock system. By pairing a customized linear rate high tension spring and a dual stage activation … read more
In Store
MicroShift RD-M5185M8% offretail $36.99 your price $33.99
BuyPART NUM 465431 
microSHIFT Acolyte Super Short Rear Derailleur - 8 Speed, Super Short Cage, Black, With SpringLock BuyPART NUM 602888
Delivering full sized performance in a compact sized package, the Acolyte Super Short rear derailleur provides a full set of features for off road riding … read more
8% offretail $36.99 your price $33.99
BuyPART NUM 602888 
SRAM EX1 1x8 Speed Long Cage Rear Derailleur Black
BuyPART NUM 219282
The EX1 drive train was designed specifically for the demands of electric-assist mountain bikes: a wide gear range with bigger jumps between gears and … read more
Ships Freeyour price $142.00 + ships free
BuyPART NUM 219282 
S-Ride M200 8sp Rear Derailleur, Long Cage - Black BuyPART NUM 545237
Steel and composite construction 2:1 actuation ratio, compatible with most Shimano 6/7/8sp drivetrains Item Specifications model: … read more
your price $25.99
BuyPART NUM 545237 
microSHIFT Acolyte Rear Derailleur - 8 Speed, Medium Cage BuyPART NUM 331537
Not everyone needs the added chain retention provided by our innovative SpringLock system. For those riders, we offer a non-clutch version of our Acolyte … read more
your price $27.99
BuyPART NUM 331537 
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 Claris R2000-SS 8-Speed Short Cage Rear Derailleur BuyPART NUM 630099
Item Specifications Cage Length: Short Drivetrain Speeds: 8 … read more
your price $29.99
BuyPART NUM 630099 
Sunrace RD-R81 Rear Derailleur, 8sp, Short, SIL BuyPART NUM 626463
8-speed road rear derailleur Composite, aluminum and steel construction SHIMANO Equivalent RD-2400 Speed: 8sp Max: 28 … read more
your price $33.99 + ships free
BuyPART NUM 626463 
S-Ride M200 8sp Rear Derailleur, Short Cage, Black BuyPART NUM 617936
Steel and composite construction 2:1 actuation ratio, compatible with most Shimano 6/7/8sp drivetrains Item Specifications model: … read more
your price $25.00
BuyPART NUM 617936 
BOX Four Prime 9 Derailleur, 8spd, Wide Cage, Black BuyPART NUM 742457
Prime 9 Technology for less derailleur travel and better chainline. Less wear and improved lifespan Box Four features: 8 speed with Prime … read more
Three remaining at this priceyour price $68.99 + ships free
BuyPART NUM 742457 
microSHIFT Acolyte Super Short Rear Derailleur - 8 Speed, Super Short Cage, Black BuyPART NUM 534658
Delivering full sized performance in a compact sized package, the Acolyte Super Short rear derailleur provides a full set of features for off road riding … read more
7% offretail $29.99 your price $27.99
BuyPART NUM 534658 
Sunlite Sport Long Rear Derailleur, 8 Speeds, 43T, Black
BuyPART NUM 519573
8-speed compatible SIS rear index shifting Speeds: 8 Speeds Max Teeth: 43 Cage/Mount: Long Ratio: 2to1 Color: … read more
14% offretail $18.49 your price $15.99
BuyPART NUM 519573 
S-Ride RD-M200 Short Cage 8sp Rear Derailleur, Black 
Info
Model NO.: RD-M200 Max Sprocket: 34t Min Sprocket: 11t Max Front Difference: 22t Total Capacity: 37t Guide Pulley: … read more
your price $23.99
Info 
"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."
"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."
"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!"
We define color as the main color of the item. It may have accents or highlights in other colors.
In Store products are available to view in our showroom. In Store orders usually ship the same or next business day.
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
This is the part number or identifier for this item from the manufacturer
Our Lowest Price - This product is ineligible for additional discounts or rebates.
Limited quantities remaining.
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.