SRAM Force® 1 Rear Derailleur
The SRAM Force 1 rear derailleur adopts all the technologies of SRAM 1x™ MTB to provide the fastest, quietest 1x11 shifting available. SRAM’s unique clutch system eliminates chain slack, providing for smoother, quieter, and more secure chain travel.
- A dedicated 1x rear derailleur
- EXACT ACTUATION™ for fast and accurate shifts using SRAM’s 1:1 actuation ratio (shifter cable travel: derailleur movement).
- X-SYNC™ pulley features a 12-tooth design that helps control the chain’s lateral movement
- X-HORIZON™ “straight parallelogram” design limits all movement to the horizontal axis, which makes ghost shifting impossible while also reducing shift force
- ROLLER BEARING CLUTCH™’s one-way roller clutch controls chain tension for consistent shifting
- Cage Lock™ technology makes for fast wheel changes or chain installation
Do you have questions about gearing choices for SRAM 1x? Click here to download our SRAM 1x Road guide.
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Some variations of this product featured on this page are not available for purchase and are installed on bicycles as original equipment only. See your dealer for details.
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Specifications for SRAM Force® 1 Rear Derailleur
|Speeds||11 or 10-speed|
|Material||Aluminum cage with cartridge bearing pulleys and stainless harware|
|Compatibility||SRAM 10- or 11-speed Exact Actuation™ shifters|
|Cage Sizes||Short (fits 11-25 through 11-28 cassettes), Medium (11-25 through 11-36), Long (11-36 through 10-42)|
|Technology Highlight(s)||X-Horizon™/ ROLLER BEARING CLUTCH™/ CAGE LOCK™/ X-Sync™ Pulleys|
- CAGE LOCK™
With CAGE LOCK™ technology in the rear derailleur, wheel removal and installation—as well as chain installation—becomes faster and simpler. Just pushing the cage forward to create slack and lock it into place.
- EXACT ACTUATION™
When we launched our road technology from scratch we reapplied our MTB proven SRAM 1:1 actuation ratio (shifter cable travel : derailleur movement) for 10 speed rear shifting. EA helps to simplify/stabilize the uneasy act of balancing rear derailleur hanger design, tight cog spacing and exact cable tension. The result: the easiest index shifting system to set up and it stays that way.
- ROLLER BEARING CLUTCH™
ROLLER BEARING CLUTCH™ rear derailleurs deliver maximum drivetrain stability—even through the most punishing terrain. With ROLLER BEARING CLUTCH™ technology, derailleur bounce and chain slap are eliminated without sacrificing precision.
The X-HORIZON™ rear derailleur’s ‘straight parallelogram’ design limits all movement to the horizontal axis, which makes ghost shifting impossible while also reducing shift force. For quicker, more exact shifting, the large upper pulley offset design maintains a constant chain gap across all gears.
Documents Available for SRAM Force® 1 Rear Derailleur
"Sram's 1x Revolution Reaches the Road"
"Amazing. That’s the only way to describe how well the X-Sync chainring and X-Horizon rear derailleur work. The combination of the two keeps the chain taut — even when barreling through a roughshod cyclocross course. Not even so much as a single bit of chainslap can be heard."