Cassette Identification (What Cassette do I have?)
What Cassette do I have: 12 Speed
Note: This list shows most of our current cassette models and service parts; we have produced multiple generations of cassettes and service part compatibility can vary slightly. If you dont see your exact model represented please reach out to our support team with a few images. We will do our best to assist ASAP.
Helix Race 12 Speed 9-45 Gravel Cassette
Helix R Gravel 12 Speed (Product Page)
- 10 Steel Sprockets, 2 Aluminum Sprockets
- Alloy Cassette Part produced in two finishes Grey Anodize and harder PVD Coated "Intergalactic" Colorway
- Alloy section marked "9-45t 12 SPEED 500% RANGE"
- Cassette Bushing: FWS20-114
- Cassette Lock Screw: FWS20-113
- Replacement part - 38-45T Aluminum Piece: FWS20-119 (Grey); FWS20-118 (Intergalactic)
- Replacement part - 9-32T Steel Piece: FWS20-120
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Helix Race 12 Speed 9-50 Cassette
Helix R 9-50T 12 Speed (Product Page)
- 10 Steel Sprockets, 2 Aluminum Sprockets
- Alloy Cassette Part produced in five finishes Bronze, Grey, Naranja, and Eggplant Anodize; as well as harder PVD Coated "Intergalactic" Colorway
- Alloy section marked "9-50t 12 SPEED 556% RANGE"
- Cassette Bushing: FWS20-114
- Cassette Lock Screw: FWS20-113
- Replacement part - 42-50T Aluminum Piece: FW2URA-101 (Intergalactic); FW2URA-102 (Bronze); FW2URA-103 (Grey); FW2URA-104 (Naranja); FW2URA-105 (Eggplant);
- Replacement part - 9-36T Steel Piece: FW2URA-107
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Helix Race 12 Speed 9-52 Cassette
Helix R 9-52T 12 Speed (Product Page)
- 10 Steel Sprockets, 2 Aluminum Sprockets
- Alloy Cassette Part produced in five finishes Bronze, Grey, Naranja, and Eggplant Anodize; as well as harder PVD Coated "Intergalactic" Colorway
- Alloy section marked "9-52t 12 SPEED 578% RANGE"
- Cassette Bushing: FWS20-114
- Cassette Lock Screw: FWS20-113
- Replacement part - 43-50T Aluminum Piece: FWS20-131 (Intergalactic); FWS20-128 (Bronze); FWS20-130 (Grey); FWS20-132 (Naranja); FWS20-129 (Eggplant);
- Replacement part - 9-36T Steel Piece: FW2URA-107
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Helix Race 12 Speed 13-52 Cassette
Helix R 13-52T 12 Speed (Product Page)
- 10 Steel Sprockets, 2 Aluminum Sprockets
- Alloy Cassette Part produced in five finishes Bronze, Grey, Naranja, and Eggplant Anodize; as well as harder PVD Coated "Intergalactic" Colorway
- Alloy section marked "CLOSE RANGE 13-52t 12 SPEED"
- Cassette Bushing: Contact Support
- Cassette Lock Screw: FWS20-113
- Replacement part - 45-52T Aluminum Piece: FWS20-123 (Intergalactic); FWS20-124 (Bronze); FWS20-125 (Grey); FWS20-126 (Naranja); FWS20-127 (Eggplant)
- Replacement part - 13-40T Steel Piece: FWS20-122
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Helix Plus 12 Speed 9-50 Cassette
Helix Plus 9-50T 12 Speed (Product Page)
- 10 Steel Sprockets, 2 Aluminum Sprockets
- Both Steel and alloy sections are black
- Alloy section marked "9-50t 12 SPEED 556% RANGE"
- Cassette Bushing: FWS20-114
- Cassette Lock Screw: FWS20-113
- Replacement part - 42-50T Aluminum Piece: FWS20-116
- Replacement part - 9-36T Steel Piece: FWS20-117
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TRS+ 12 Speed 9-46 Cassette Gen 2 (2018 through Present)
TRS Plus 12 Speed Cassette - Gen2 (Product Page)
- 10 Steel Sprockets, 2 Aluminum Sprockets, marked "9-46t 12 Speed" on back side
- Aluminum piece attach to driver with pinch clamp
- Steel sprockets made from 1 Piece, no windows
- Uses Delrin bushing to support the steel portion
- Replacement part - Aluminum Piece: FWS20-100
- Replacement part - Steel: FWS20-101
TRS+ 12 Speed 9-50 Cassette Gen 2 (2019 through Present)
TRS Plus 12 Speed Cassette - Gen2 (Product Page)
- 10 Steel Sprockets, 2 Aluminum Sprockets, marked "9-50t 12 Speed" on back side
- Aluminum piece attach to driver with pinch clamp
- Steel sprockets made from 1 Piece, no windows
- Uses Brown Delrin bushing to support the steel portion
- Replacement part - Aluminum Piece: FWS20-105
- Replacement part - Steel: FWS20-106
What Cassette do I have: 11 Speed
Note: This list shows many of our current and discontinued cassette models/service parts; though we have produced multiple generations of cassettes and service part compatibility can vary slightly. If you dont see your exact model represented please reach out to our support team with a few images. We will do our best to assist ASAP.
HELIX RACE 11 SPEED 9-46 CASSETTE
Helix R 9-46T 11 Speed (Product Page)
- 10 Steel Sprockets, 1 Aluminum Sprocket
- Alloy Cassette Part produced in three finishes Bronze, and Grey Anodize; as well as harder PVD Coated "Intergalactic" Colorway
- Alloy section marked "9-46T 11 SPEED 511% RANGE"
- Cassette Bushing: FWS20-114
- Cassette Lock Screw: FWS20-113
- Replacement part - 46T Aluminum Piece: FW2URA-108 (Intergalactic); FW2URA-109 (Bronze); FW2URA-110 (Grey)
- Replacement part - 9-39T Steel Piece: FW2URA-111
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XCX Plus 11 SPEED 9-34 CASSETTE
XCX+ 9-34T 11 Speed (Product Page)
- 10 Steel Sprockets, 1 Aluminum Sprockets
- Both Steel and alloy sections are black
- Alloy section marked on back "9-34t 11 SPEED 378% RANGE"
- Cassette Bushing: FWS20-114
- Cassette Lock Screw: FWS20-113
- Replacement part - 34T Aluminum Piece: FWS20-107
- Replacement part - 9-30T Steel Piece: FWS20-108
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XCX Plus 11 SPEED 9-39 CASSETTE
XCX+ 9-39T 11 Speed (Product Page)
- 10 Steel Sprockets, 1 Aluminum Sprockets
- Both Steel and alloy sections are black
- Alloy section marked on back "9-39t 11 SPEED 433% RANGE"
- Cassette Bushing: FWS20-114
- Cassette Lock Screw: FWS20-113
- Replacement part - 39T Aluminum Piece: FWS20-109
- Replacement part - 9-33T Steel Piece: FWS20-110
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XCX Plus 11 SPEED 9-42 CASSETTE
XCX+ 9-42T 11 Speed (Product Page)
- 10 Steel Sprockets, 1 Aluminum Sprockets
- Both Steel and alloy sections are black
- Alloy section marked on back "9-42t 11 SPEED 467% RANGE"
- Cassette Bushing: FWS20-114
- Cassette Lock Screw: FWS20-113
- Replacement part - 42T Aluminum Piece: FWS20-111
- Replacement part - 9-36T Steel Piece: FWS20-112
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TRS+ 11 Speed 9-46 Cassette Gen 2 (2019 through Present)
TRS Plus 11 Speed Cassette - Gen2 (Product Page)
- 10 Steel Sprockets, 1 Aluminum Sprockets, marked 9-46 11 Speed on back side, marked e*spec both parts
- Aluminum piece attach to driver with pinch clamp
- Steel sprockets made from 1 Piece, no windows
- Uses Brown Delrin bushing to support the steel portion
- Replacement part - Aluminum Piece: FWS20-103
- Replacement part - Steel: FWS20-104
TRS+ 11 Speed 9-46 Cassette Gen 1 (2017 through 2019, Discontinued)
- 8 Steel Sprockets, 3 Aluminum Sprockets, marked 9-46 11 Speed on back side
- Aluminum piece may attach to XD Driver with lockring (first design) or pinch clamp (later design)
- Steel sprockets made from 1 Piece
- Uses Brown Delrin bushing to support the steel portion
- Replacement part - Aluminum Piece: FWS10-109
- Replacement part - Steel: FWS10-108
TRSr (Race) 11 Speed 9-46 Cassette Gen 1 (2018 through 2019, Discontinued)
- 8 Steel Sprockets, 3 Aluminum Sprockets, marked 9-46 11 Speed on back side
- Aluminum piece may attach to XD Driver with lockring (first design) or pinch clamp (later design)
- Steel sprockets made from 1 Piece
- Uses Brown Delrin bushing to support the steel portion
- Replacement part - Aluminum Piece: FWS10-106 (Discontinued - can replace with FWS10-109)
- Replacement part - Steel: FWS10-105 (Discontinued - can replace with FWS10-108)
TRS+ 11 Speed 9-44 Cassette (2015 through 2018, Discontinued)
- 8 Steel Sprockets, 3 Aluminum Sprockets, marked 9-44 11 Speed on back side
- Installed with Lock-ring on XD Driver
- Steel sprockets made from 2 pieces bolted together
- Replacement part - Aluminum Piece: FWS10-103 (Discontinued)
- Replacement part - Steel FWS10-100 / FWS10-107
What Cassette do I have: 10 Speed
TRS+ 10 Speed 9-42 Cassette (2015 through 2018, Discontinued)
- 8 Steel Sprockets, 2 Aluminum Sprockets
- Steel sprockets made from 2 pieces bolted together
- Replacement part - Aluminum Piece FWS10-102 (Discontinued)
- Replacement part - Steel Pieces FWS10-100 / FWS10-107
What Cassette do I have: 7 Speed Integrated Cassettes
LG1 7SPD Speed Integrated Cassette 9-24T (2023 to present)
- Application: All e*thirteen hubs with integrated cassette (LG1r, LG1+)
- Replacement part: FWS20-121
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LG1 7SPD Speed Integrated Cassette 9-21T (2016 through 2022)
- Application: All e*thirteen hubs with integrated cassette (LG1r, LG1+)
- Replacement part: FWS10-104