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 136 Products
$78.99
Shimano SLX RD-M7100 Rear Derailleur (Black) (1 x 12 Speed) (Long Cage) (SGS) (Shadow Plus)
$15.37 - $22.99
Shimano Tourney RD-A070 Rear Derailleur (Black) (7 Speed) (Smart Cage)
Sale: $34.99
$45.99
Shimano Deore RD-M5100 Rear Derailleur (Black) (11 Speed) (Long Cage) (SGS) (Shadow Plus)
$77.34 - $79.99
Shimano Deore XT RD-M786 Rear Derailleur (Black) (10 Speed) (Shadow Plus)
$118.99 - $121.99
Shimano Deore XT RD-M8100 Rear Derailleur (Black) (12 Speed) (Shadow Plus)
Sale: $14.39
Sale: $19.99
Available in Stores
$79.99 - $84.99
Shimano Deore XT RD-M8000 Rear Derailleur (Black) (11 Speed) (Shadow Plus)
$390.00
SRAM GX Eagle AXS Rear Derailleur (Lunar) (12 Speed) (Long Cage) (Clutch) (Electronic)
$538.00
SRAM X01 Eagle AXS Rear Derailleur (Black/Red) (12 Speed) (Long Cage) (Clutch) (Electronic)
$190.00
SRAM Eagle 90 Transmission Derailleur (Black) (12 Speed) (UDH) (Mechanical)
Available in Stores
Sale: $31.44
Available in Stores
Sale: $14.99
Available in Stores
$27.49
Shimano Acera RD-M3020-8 Rear Derailleur (Black) (7/8 Speed) (Long Cage) (SGS)
Available in Stores
Sale: $17.99
$58.99
Microshift ADVENT Super Short Rear Derailleur (Black) (1 x 9 Speed) (Short Cage) (w/ Clutch)
$59.49 - $63.89
Shimano Deore RD-M6000 Rear Derailleur (Black) (10 Speed) (Shadow Plus)
Sale: $64.99
Available in Stores
$135.00
SRAM GX Eagle Rear Derailleur (Lunar) (12 Speed) (Long Cage) (Clutch)
Available in Stores
$19.49
Shimano Altus FD-M370-6 Front Derailleur (3 x 9 Speed) (28.6/31.8/34.9mm) (Top Swing) (Dual Pull)
$69.99
Shimano CUES RD-U6000-GS Rear Derailleur (Black) (1 x 10/11 Speed) (Shadow +) (Medium Cage) (GS)
Sale: $25.49
Sale: $15.99
Sale: $52.99
$20.49
Shimano Altus FD-M371-6 Front Derailleur (3 x 9 Speed) (28.6/31.8/34.9mm) (Down Swing) (Dual Pull)
$52.99
Shimano CUES RD-U4000-GS Rear Derailleur (Black) (1 x 9 Speed) (Shadow) (Medium Cage) (GS)
Expected Sun, Jun 15, 2025
$22.49 - $30.49
Shimano Deore FD-M5100 Front Derailleur (2 x 11 Speed) (Side Swing) (Front Pull) (48.8/51.8mm Chainline)
$23.62 - $32.99
Shimano Deore FD-M6000 Front Derailleur (3 x 10 Speed) (Side Swing) (Front Pull)
$20.62 - $23.24
Shimano Deore FD-M4100 Front Derailleur (2 x 10 Speed) (Side Swing) (Front Pull) (48.8/51.8mm Chainline)
$37.99
Shimano CUES RD-U3020 Rear Derailleur (Black) (9-Speed) (Long Cage) (SGS) (Shadow)
Sale: $9.79
$62.99
Shimano Deore RD-T6000 Rear Derailleur (Black) (10 Speed) (Long Cage) (SGS) (Shadow)
Available in Stores
$13.99
Shimano FD-TY606-L Front Derailleur (3 x 6/7/8 Speed) (Top Swing) (Dual Pull) (31.8/34.9mm)
$27.99 - $33.99
Microshift Acolyte Super Short Rear Derailleur (Black) (1 x 8 Speed)
$13.99
Shimano Tourney FD-TY601-L3 Front Derailleur (3 x 6/7/8 Speed) (31.8/34.9mm) (Top Swing) (Dual Pull) (48T Max)
Sale: $10.49
More Related Items...
-
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 ... -
The DEORE XT RD-M8150 11-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 ... -
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 Deore XT M8130 LINKGLIDE 11-speed Rear ...Derailleur delivers smooth and decisive shifting for E-mountain bikes. The Shadow Plus retention system stabilizes the chain over rough mountain terrain and reduces chain slap and droppage. Designed to integrate with the ... -
Designed for tackling trails and eating up rough ...terrain, the Shimano CUES RD-U6020 Shadow rear derailleur offers smooth and responsive shifting performance across 2x10-speed LINKGLIDE drivetrains. Optimized pivot location, pulley design, and spring tension minimize chain shock when shifting, providing ...