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
