Skip to main content
We may get paid by partner for deals, including promoted items

Menu

Trending
Top Brands Palmetto State ArmoryHot Yeti CoolerDeal NatchezDeal SitkaDeal 5.11Sale Winter Clearance Amazon Pickleball Sale Amazon FitnessHot Stores
ethirteen Helix Plus 12-Speed Cassette Black 9-50 T by Ethirteen -

Product Description

Engineered for e-bike durability and cross-experience compatibility with SRAM and Shimano drivetrains, this 9-50T ethirteen Helix Plus cassette is a great pick for your 12-speed mountain bike.

ethirteen Helix Plus 12-Speed Cassette Black 9-50 T

at REI.com
Browse all REI.com deals
$229.95
In Stock at REI.com
Buy Now at REI.com
Secure checkout Easy returns
or compare prices
Amazon logo Amazon eBay logo eBay

Product Details

Brand Ethirteen
Ethirteen

More from Ethirteen

Fly Rides
Last Updated:
Jun 28, 2026 07:27 PM
eThirteen MTB Tubeless Tape eThirteen MTB Tubeless Tape View Details
$16.95
Buy Now · $16.95
Fly Rides
Fly Rides
Last Updated:
Jun 28, 2026 07:27 PM
eThirteen Tire Lever & Plug Repair Kit eThirteen Tire Lever & Plug Repair Kit View Details
$29.95
Buy Now · $29.95
Fly Rides
Fly Rides
Last Updated:
Jun 28, 2026 07:27 PM
Hot 🔥
eThirteen Composite Base Pedal eThirteen Composite Base Pedal View Details
$19.99 $49.95
60% off
Buy Now · $19.99
Fly Rides
Fly Rides
Last Updated:
Jun 28, 2026 07:27 PM
eThirteen Vario Infinite Dropper Post eThirteen Vario Infinite Dropper Post View Details
$189.95
Buy Now · $189.95
Fly Rides
Trek Bicycle
Last Updated:
Aug 10, 2026 07:22 PM
e*Thirteen Chainguide for Bosch 52mm to 55mm Chainline Kit e*Thirteen Chainguide for Bosch 52mm to 55mm Chainline Kit View Details
$10.99
Buy Now · $10.99
Trek Bicycle
Trek Bicycle
Last Updated:
Aug 10, 2026 07:22 PM
e*Thirteen e*spec Plus Aluminum Crankarms for Bosch e*Thirteen e*spec Plus Aluminum Crankarms for Bosch View Details
$59.99
Buy Now · $59.99
Trek Bicycle
Trek Bicycle
Last Updated:
Aug 10, 2026 07:22 PM
e*Thirteen e*Spec Aluminum Chainring for Trek E-Caliber e*Thirteen e*Spec Aluminum Chainring for Trek E-Caliber View Details
$49.99
Buy Now · $49.99
Trek Bicycle
Trek Bicycle
Last Updated:
Aug 10, 2026 07:22 PM
e*Thirteen e*spec Race Carbon Crank for TQ e*Thirteen e*spec Race Carbon Crank for TQ View Details
$384.99
Buy Now · $384.99
Trek Bicycle
Trek Bicycle
Last Updated:
Aug 10, 2026 07:22 PM
Hot 🔥
e*Thirteen e*Spec Race Carbon Crankarm for Trek E-Caliber e*Thirteen e*Spec Race Carbon Crankarm for Trek E-Caliber View Details
$157.93 $349.99
55% off
Buy Now · $157.93
Trek Bicycle
Trek Bicycle
Last Updated:
Aug 10, 2026 07:22 PM
Sold Out
e*Thirteen e*Spec 55mm Chainline Chainring for Bosch e*Thirteen e*Spec 55mm Chainline Chainring for Bosch View Details
$32.99
Buy Now · $32.99
Trek Bicycle
REI.com
Last Updated:
Aug 10, 2026 06:37 PM
ethirteen BB92 Press Fit Bottom Bracket for 24 mm Spindles Black ethirteen BB92 Press Fit Bottom Bracket for 24 mm Spindles Black View Details
$31.95
Buy Now · $31.95
REI.com
REI.com
Last Updated:
Aug 10, 2026 06:37 PM
ethirteen BSA Threaded Bottom Bracket for 24 mm Spindles Black 83 Mm Shell ethirteen BSA Threaded Bottom Bracket for 24 mm Spindles Black 83 Mm Shell View Details
$47.95
Buy Now · $47.95
REI.com
REI.com
Last Updated:
Aug 10, 2026 06:37 PM
ethirteen Base Pedals Black ethirteen Base Pedals Black View Details
$49.95
Buy Now · $49.95
REI.com
REI.com
Last Updated:
Aug 10, 2026 06:37 PM
ethirteen Vario 1x Dropper Remote Lever Black ethirteen Vario 1x Dropper Remote Lever Black View Details
$40.93 $51.95
21% off
Buy Now · $40.93
REI.com
REI.com
Last Updated:
Aug 10, 2026 06:37 PM
ethirteen e*spec Direct Mount Chainring for Brose S Mag Black 38 T ethirteen e*spec Direct Mount Chainring for Brose S Mag Black 38 T View Details
$59.95
Buy Now · $59.95
REI.com
REI.com
Last Updated:
Aug 10, 2026 06:37 PM
ethirteen Vario Infinite Dropper Post - 180 mm Black 30.9 X 180 Mm Travel ethirteen Vario Infinite Dropper Post - 180 mm Black 30.9 X 180 Mm Travel View Details
$188.93 $225.95
16% off
Buy Now · $188.93
REI.com
REI.com
Last Updated:
Aug 10, 2026 06:37 PM
ethirteen Helix R 11-Speed Cassette Gray 9-46 T ethirteen Helix R 11-Speed Cassette Gray 9-46 T View Details
$329.95
Buy Now · $329.95
REI.com
REI.com
Last Updated:
Aug 10, 2026 06:37 PM
ethirteen Helix Race 12-Speed 9-52T Cassette Brown 9-52 T ethirteen Helix Race 12-Speed 9-52T Cassette Brown 9-52 T View Details
$345.95
Buy Now · $345.95
REI.com