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
Bottom line: The Box One/Two Prime 9 X-Wide 11-50T Range Multi Shift Drivetrain is a specs-and-price decision rather than a crowd-consensus one in the sim racing category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.
As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →
Pros & Cons
Pros
- ✓ Backed by Box's warranty and support channels
Cons
- ✗ Check the listed dimensions, connectors and platform compatibility against your setup before ordering
- ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated
SpecPicks Verdict
SpecPicks scored Box One/Two Prime 9 X-Wide 11-50T Range Multi Shift Drivetrain… using a rating × review-volume × price-fit model applied to published specs and reviews across the sim racing category. Box's sim racing lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for sim racing of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Key Features
- ✅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
Full Specifications
| Brand | Box |
|---|---|
| Color | Black |
| Material | Alloy Steel |
| Mount Type | Braze-On Mount |
| Model Number | 2H-C7II-MFJD |
| Material Type | Alloy Steel |
| Mounting Type | Braze-On Mount |
| Item Type Name | 11-50T X-Wide Multi-Shift Groupset |
| Number of Teeth | 50 |
| Case Material Type | Alloy Steel |
| Included Components | Cassette, Chain, Rear derailleur, Shift Housing Kit, Shifter |
| Warranty Description | Limited Lifetime |
| Manufacturer Part Number | 2H-C7II-MFJD |
Ready to buy?
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 is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
Related Sim Racing
More guides & deep dives from the SpecPicks archive
Browse all articles & guides →- RTX 4070 Super vs RX 7800 XT — Which to Buy in 2026
- Best Retro Handhelds in 2026 — From $35 to $500
- Best 1440p Gaming GPUs in 2026
- The Complete Voodoo5 5500 AGP Driver Guide (2026 Edition)
- Best Budget Gaming PC Build 2026 — ~$1,000 ($800 on Sale)
- How to Build a Windows 98 Retro PC in 2026
- Emulation Hardware in 2026: FPGA, Software, and Cart-Reader Ecosystems
More reviews from the SpecPicks archive
Browse all reviews →- Voodoo3 3000 vs GeForce 256: 1999 Glide vs OpenGL Showdown
- 18 LLMs Benchmarked on OCR: Why Cheaper Models Often Win
- OpenAI Codex 'Watch Once, Repeat Forever': What It Means for Local Coding Rigs
- RTX 5080 vs RTX 4080 SUPER — one generation apart
- Best Plug-and-Play Retro & Budget Consoles in 2026: 5 Picks Ranked
- GPT-5.6 Sol Nearly Matches Fable 5 at a Third the Cost: The Local-Rig Angle
- Best Nintendo Switch Accessories for Handheld and Docked Play in 2026
- CRT Monitor for Retro Consoles: 2025 Buying Guide
- Building a Period-Correct 2001 GeForce 3 Windows 98 SE Rig — With a CompactFlash Boot Drive
- oQ vs Q4_K/Q6_K vs MXFP4 vs UD-MLX: Which Quantization Format Should You Pick in 2026?
- EU GPU Price Tracking: Why RTX 5090 Won't Get Cheaper
- Home Assistant on a Raspberry Pi 4 8GB: Full 2026 Setup
- How to run Llama 3.1 70B on Arc B580
- Qualcomm Enters the Data-Center Market With Its Own AI Processor
- Best Dorm Room Gaming Setup in 2026: 5 Picks That Fit One Desk
- Active Quake 3 and OpenArena Servers in 2026: How to Find, Join, and Host
- Best Budget 1080p Gaming PC Parts in 2026: 5 Picks
- AI-Driven Driver Install on Win98: Using a Vision LLM to Recover a Voodoo3 PCI Card
- Build a Fully Local PDF-to-Audiobook Pipeline on Jetson Orin Nano Super
- Best Retro-PC Storage & Drive-Imaging Kit in 2026: 5 Picks
- LM Studio vs Jan.ai vs Ollama on an RTX 3060 12GB: Which Local Runner Wins?
- Local AI on a Raspberry Pi in 2026: What Actually Runs (and What Doesn't)
- Best Hardware for a Home Game Server in 2026
- DwarfStar Distributed Inference: Splitting a Single LLM Across a Home LAN of Mismatched GPUs
Earliest SpecPicks reviews
Browse full archive →- Best GPU for Llama 3.1 8B (2026)
- Best GPU for Qwen 3 14B (2026)
- Best GPU for Qwen 3 32B (2026)
- Best GPU for Llama 3.1 70B (2026)
- Best GPU for DeepSeek-R1 32B (2026)
- Best GPU for Llama 3.1 405B (2026)
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 5090
- How to run Qwen 3 14B on NVIDIA GeForce RTX 5090
- How to run Qwen 3 32B on NVIDIA GeForce RTX 5090
- How to run Llama 3.1 70B on NVIDIA GeForce RTX 5090
- How to run DeepSeek-R1 32B on NVIDIA GeForce RTX 5090
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 4090