Box One/Two Prime 9 X-Wide 11-50T Range Multi Shift Drivetrain Cycling Groupset Shifter Rear Derailleur Bike Cassette Chain Shift Cable & Housing Kit

Price: $246.99
(as of May 02, 2026 06:31:07 UTC – Details)
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Product description

IS PRIME 9 SIMPLER?

Same Range with Fewer GearsEase of Set-UpWide CompatibilityLess MaintenanceDon’t Worry, All Bike Shops Are Familiar With 9 Speed Platforms!

IS PRIME 9 MORE DURABLE?

Straighter Chain-lineUnique 9 Speed ChainSingle Shift Option (E-MTB)Fewer Gears (fewer shifts)Full Steel Cassette (all tiers)

DOES PRIME 9 PERFORM BETTER?

Shifting Less Means Faster RidingOptimized Shift RampsConsistent Gear JumpsLightweight Cassette

This groupset includes Box One Prime 9 Multi Shifter

Our Best Performing ShifterLightweight Hinged & Machined ClampResponsive 1-Piece Pull LeverMTB Style Release Lever (V2) Box One Prime 9 Derailleur

Our Best Performing DerailleurFor Aggressive TerrainAdjustable Tri-Pack Limited Slip ClutchPrecision Sealed Bearing Pulleys Box Two Prime 9 Cassette

Our Most Durable CassetteSteel Stamped CogsLightweight Alloy SpidersUltra-Wide Ratio with Consistent Progression Box One Prime 9 Chain

Our Best Performing ChainDurable Dual-CoatingIncludes Black Connecting Link

Prime 9 Groupset Comparison Chart

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Customer Reviews

4.4 out of 5 stars 22

3.4 out of 5 stars 20

4.2 out of 5 stars 109

4.8 out of 5 stars 54

Price

$246.99$246.99

$171.27$171.27

$129.66$129.66

$108.54$108.54

Rating

Our Best Performing Groupset

Our Most Durable Groupset

Our Best All-Rounder Groupset

Our 8 is Enough Groupset

Terrain

For Aggressive Terrain

For Aggressive Terrain

For Light/Medium Terrain

For Light/Medium Terrain

Chainring Compatibility

Wide/Narrow

Wide/Narrow

Wide/Narrow

Wide/Narrow 8 Speed Specific

Hub Compatibility

Standard HG

Standard HG

Standard HG

Standard HG

Derailleur Clutch

Adjustable Tri-Pack Limited

Tri-Pack Limited Slip Clutch

Limited Slip Clutch

Limited Slip Clutch

✅INCLUDED COMPONENTS: Maximize your ride’s potential with our Prime Performance Package. Box One Prime 9 Multi Shift Shifter, X-Wide Rear Derailleur, Chain 126L DLC, Box Two Prime 9 11-50T Cassette, and Box One Shift Cable & Housing Kit. Seamless integration for a Prime Cycling experience.
✅SHIFTER: Our Bicycle Shifter equipped with Box One Slick Coated Inner Cable, 1 and 2 Piece Pull Lever, and seamless navigation of up to 3 gears per shift. The lightweight hinged clamp, machined with a die-cast top shell, guarantees unmatched precision for a standout ride.
✅REAR DERAILLEUR: Conquer tough terrains with our 9 Speed Derailleur, crafted for aggressive landscapes. It features an adjustable Tri-Pack Limited Slip Clutch, durable 3D forged linkages, a carbon-nylon composite knuckle, and Pivot-Tech Cable Stay for a rugged, reliable ride.
✅CASSETTE: Improve your ride with our 9 Speed Cassette, ultra-wide ratios and consistent progression. The steel lightweight unibody, alloy internal support disc. Designed for peak cycling, compatible with HG Freehub Bodies.
✅CHAIN: Our 9 Speed Chain sets the standard with durable dual-coating DLC & Nickel Protection, hardened solid pins. Whether wide or narrow chainring, it delivers unmatched strength. The black connecting link adds style to rugged durability, making it a standout choice.
✅SHIFT CABLE & HOUSING KIT -Our Box One Shift Cable & Housing Kit is the easiest way to get silky smooth and consistent shifts on any drivetrain. Compatible with 12, 11, 10, 9, and 8 speeds. Inner Cable 2100mm, 4mm Housing 2000mm, Prepared with silicone grease, 1.8mm Cable End Crimps, 4mm Sealed Short Ferrules. This kit is a combination of our best performing Cable Housing and Slick Coated Stainless Steel inner cable