FSA K-FORCE WE12S
Cassette

Specifications
- Manufacturer
- FSA
- Name
- K-FORCE WE12S
- MPN
- 407-0057000640
- Drivetrain Brand
- Other
- Cassette Range
- 11-28, 11-32
- Smallest Cog (T)
- 11
- Largest Cog (T)
- 28, 32
Compatibility
FSA K-FORCE WE12S is a FSA cassette. Everything listed below was matched on a specification we hold for both parts: the interface each pairing actually depends on, such as freehub body, speed count, actuation or mounting standard. Where we could not verify that interface, the part is left out rather than assumed to fit.
Rear derailleurs for this cassette20
microSHIFT
Estes 1x Rear Derailleur 7/8/9 Speed Medium Cage (RD-M220M)
- Both are microSHIFT drivetrain parts
- The cassette's 32T largest cog is within the derailleur's 40T maximum
microSHIFT
Estes Rear Derailleur 7/8/9 Speed Long Cage Max 34-40T (RD-M220L)
- Both are microSHIFT drivetrain parts
- The cassette's 32T largest cog is within the derailleur's 34T maximum
Shares a standardFSA
K-FORCE WE12S REAR
- Both are FSA drivetrain parts
- The cassette's 32T largest cog is within the derailleur's 32T maximum
Shares a standardLTWOO
A2 Rear Derailleur (RD-A0710-L)
- Both are LTWOO drivetrain parts
- The cassette's 32T largest cog is within the derailleur's 52T maximum
Shares a standardLTWOO
A3 Rear Derailleur (RD-A0810-L)
- Both are LTWOO drivetrain parts
- The cassette's 32T largest cog is within the derailleur's 52T maximum
Shares a standardLTWOO
A5 Rear Derailleur (RD-A0910-L)
- Both are LTWOO drivetrain parts
- The cassette's 32T largest cog is within the derailleur's 52T maximum
Shares a standardLTWOO
A7 Rear Derailleur (RD-A1010-L)
- Both are LTWOO drivetrain parts
- The cassette's 32T largest cog is within the derailleur's 52T maximum
Shares a standardLTWOO
A9 Rear Derailleur (RD-A1110-L)
- Both are LTWOO drivetrain parts
- The cassette's 32T largest cog is within the derailleur's 52T maximum
microSHIFT
Acolyte Medium Cage SpringLock Rear Derailleur (RD-M5185M)
- Both are microSHIFT drivetrain parts
- The cassette's 32T largest cog is within the derailleur's 42T maximum
microSHIFT
Acolyte Rear Derailleur 8 Speed Medium Cage (RD-M5180M)
- Both are microSHIFT drivetrain parts
- The cassette's 32T largest cog is within the derailleur's 42T maximum
microSHIFT
Acolyte Speed Super Short Cage Rear Derailleur (RD-M5180S)
- Both are microSHIFT drivetrain parts
- The cassette's 32T largest cog is within the derailleur's 34T maximum
microSHIFT
Acolyte Super Short Cage SpringLock Rear Derailleur (RD-M5185S)
- Both are microSHIFT drivetrain parts
- The cassette's 32T largest cog is within the derailleur's 34T maximum
microSHIFT
Acolyte Ver.2 Cage Rear Derailleur (RD-M5180M-B)
- Both are microSHIFT drivetrain parts
- The cassette's 32T largest cog is within the derailleur's 42T maximum
microSHIFT
Acolyte Ver.2 Cage SpringLock Rear Derailleur (RD-M5185M-B)
- Both are microSHIFT drivetrain parts
- The cassette's 32T largest cog is within the derailleur's 42T maximum
microSHIFT
ADVENT Long Cage Clutch Rear Derailleur (RD-M6195L)
- Both are microSHIFT drivetrain parts
- The cassette's 32T largest cog is within the derailleur's 42T maximum
microSHIFT
ADVENT Medium Cage Clutch Rear Derailleur (RD-M6195M)
- Both are microSHIFT drivetrain parts
- The cassette's 32T largest cog is within the derailleur's 42T maximum
microSHIFT
Advent MX Pro Rear Derailleur 10/11 Speed (RD-M7015M)
- Both are microSHIFT drivetrain parts
- The cassette's 32T largest cog is within the derailleur's 48T maximum
microSHIFT
Advent MX Rear Derailleur 10/11 Speed (RD-M7005M)
- Both are microSHIFT drivetrain parts
- The cassette's 32T largest cog is within the derailleur's 48T maximum
microSHIFT
ADVENT Rear Derailleur 9 Speed Long Cage (RD-M619L)
- Both are microSHIFT drivetrain parts
- The cassette's 32T largest cog is within the derailleur's 42T maximum
microSHIFT
ADVENT Rear Derailleur 9 Speed Medium Cage (RD-M619M)
- Both are microSHIFT drivetrain parts
- The cassette's 32T largest cog is within the derailleur's 42T maximum
Frequently Asked Questions
What fits FSA K-FORCE WE12S?
On this page we list rear derailleurs for this cassette. Each listing was matched on a specification we hold for both parts; anything we could not verify is omitted rather than assumed to fit.