In Stock In Store
Mountain Derailleurs
Shop the best prices from top brands on new bike front and rear derailleurs for your mountain or electric ride's DIY overhaul, upgrade, or installation. High-performance, light, strong, and affordable components for 9, 10, 11, and 12 speed XT, XTR, and Eagle drivetrains from Shimano, SRAM, and more!Mountain Derailleurs
Showing 1 to 45 of 134 Products
$56.99
Shimano Deore RD-M6100 Rear Derailleur (Black) (12 Speed) (Long Cage) (SGS) (Shadow Plus)
$214.00
SRAM X01 Eagle Rear Derailleur (Lunar) (12 Speed) (Long Cage) (Clutch)
Available in Stores
$538.00
SRAM X01 Eagle AXS Rear Derailleur (Lunar) (12 Speed) (Long Cage) (Clutch) (Electronic)
Sale: $34.99
$79.99 - $84.99
Shimano Deore XT RD-M8000 Rear Derailleur (Black) (11 Speed) (Shadow Plus)
Sale: $189.99
Sale: $15.99
Sale: $449.33
Sale: $290.83
$390.00
SRAM GX Eagle AXS Rear Derailleur (Lunar) (12 Speed) (Long Cage) (Clutch) (Electronic)
Sale: $31.44
$45.99
Shimano Deore RD-M5100 Rear Derailleur (Black) (11 Speed) (Long Cage) (SGS) (Shadow Plus)
$20.99
Shimano Altus FD-M371-6 Front Derailleur (3 x 9 Speed) (28.6/31.8/34.9mm) (Down Swing) (Dual Pull)
Sale: $26.99
Sale: $28.49
Available in Stores
$78.99
Shimano SLX RD-M7100 Rear Derailleur (Black) (1 x 12 Speed) (Long Cage) (SGS) (Shadow Plus)
$69.99
Shimano CUES RD-U6000-GS Rear Derailleur (Black) (1 x 10/11 Speed) (Medium Cage) (GS) (Shadow +)
$78.19 - $79.99
Shimano Deore XT RD-M786 Rear Derailleur (Black) (10 Speed) (Shadow Plus)
$28.99
Shimano Acera RD-M3020-8 Rear Derailleur (Black) (7/8 Speed) (Long Cage) (SGS)
Available in Stores
$753.00
SRAM XX1 Eagle AXS Rear Derailleur (Black) (12 Speed) (Long Cage) (Clutch) (Electronic)
Expected Thu, Jan 23, 2025
Sale: $18.37
Sale: $15.40
Sale: $14.99
Available in Stores
Sale: $17.99
$20.45 - $32.99
Shimano Deore FD-M6000 Front Derailleur (3 x 10 Speed) (Side Swing) (Front Pull)
Sale: $19.99
Available in Stores
$121.99
Shimano Deore XT RD-M8130 LINKGLIDE Rear Derailleur (Black) (11 Speed) (Long Cage) (SGS) (Shadow Plus)
Expected Thu, Feb 13, 2025
$54.99
Shimano CUES RD-U6020 Rear Derailleur (Black) (2 x 10 Speed) (Long Cage) (SGS) (Shadow)
Expected Fri, Jan 31, 2025
$74.99
Shimano CUES RD-U8020 Rear Derailleur (Black) (11-Speed) (Long Cage) (SGS) (Shadow Plus)
Expected Thu, Feb 13, 2025
$15.37 - $22.99
Shimano Tourney RD-A070 Rear Derailleur (Black) (7 Speed) (Smart Cage)
$10.49 - $11.24
Shimano Tourney FD-TX800 Front Derailleur (3 x 7/8 Speed) (Top Swing) (Dual Pull)
$13.99
Shimano Tourney FD-TY601-L6 Front Derailleur (3 x 6/7/8 Speed) (31.8/34.9mm) (Top Swing) (Dual Pull) (48T Max)
$73.99
Shimano ZEE RD-M640 Rear Derailleur (Black) (10 Speed) (Short Cage) (SSW/Free-Ride) (SS) (Shadow Plus)
$19.49
Shimano Altus FD-M370-6 Front Derailleur (3 x 9 Speed) (28.6/31.8/34.9mm) (Top Swing) (Dual Pull)
Sale: $13.83
Sale: $10.49
$27.99 - $33.99
Microshift Acolyte Super Short Rear Derailleur (Black) (1 x 8 Speed)
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The DEORE XT RD-M8150 12-Speed rear derailleur combines ...race-proven quality with Shimano original technologies to help keep you flowing and focused on the trail. The E-Bike optimized design allows full integration with SHIMANO E-Bike Systems and LINKGLIDE drivetrains for increased ... -
Occupying a new realm in shifting performance, the ...redesigned SRAM XX1 Eagle derailleur gives no-compromise racers and dream-bike builders a true top-tier option. The crisp, precise XX1 shifting feel athletes rely on now features an updated cage geometry for improved ... -
Designed for tackling trails and eating up rough ...terrain, the Shimano CUES RD-U6020 Shadow rear derailleur offers smooth and responsive shifting performance across 2x11-speed LINKGLIDE drivetrains. The low-profile design and chain stabilization give riders confidence when riding over rougher terrain. ... -
The SRAM X01 X-Horizon Rear Derailleur lets you ...run 1 x 11 gearing, plus it is packed with technology borrowed from XX1 to give you fast, precise, and smooth shifting action. Straight parallelogram design and pulley offset to keep the ... -
The Shimano CUES Di2 Rear Derailleur ensures smooth ...and intuitive auto-shifting so you can enjoy the fun and healthy benefits of being out on your bike. Automatic shifting always finds the perfect gear making for the ideal pedal stroke without ...