FSA MegaEvo BB Cup Tool
FSA

FSA MegaEvo BB Cup Tool

$76.00
In Stock

Precision socket-type tool by FSA for installing and removing threaded cups on 386Evo cranks. Works with standard 1/2" drive socket wrenches for fast, reliable service.

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Product Details

Overview & Technology

FSA MegaEvo BB Cup Tool is a purpose-built socket-type tool engineered to install and remove threaded bottom bracket cups used with 386Evo cranks. Designed for professional mechanics and home wrenchers alike, this tool accepts a standard 1/2" drive socket wrench for positive engagement and straightforward service. The tool matches FSA's 386Evo cup profile to ensure proper contact and eliminate slipping during installation or removal. Constructed from hardened, precision-machined steel with a protective finish, the tool resists wear from repeated use and maintains accurate engagement with cup splines. Compact shipping size (2.4" x 2.4" x 2.9") and a light 0.7 lb weight make it easy to store in a shop drawer or take on the road to a race or service day. Manufacturer part #: 230-3046, Product Number: 901444.

Key Features

This FSA tool focuses on the practical details that make BB service quicker and safer: precision spline profile for 386Evo cups, robust steel construction, and a 1/2" drive socket interface for compatibility with common torque and breaker bars. The tool's socket-type design fully surrounds the cup for even force distribution and reduced risk of damage to cup faces. Benefits in the real world include faster, slip-free removal of stuck cups, safe and even torque transfer during installation, and fewer ruined cups or crank threads. Use with a torque wrench or breaker bar depending on installation requirements; avoid impact tools unless the component manufacturer explicitly permits them.

Fit & Compatibility

The MegaEvo BB Cup Tool is specifically made for threaded cups used with FSA 386Evo cranks and compatible aftermarket 386Evo-style cups. It is a socket-type tool that fits a standard 1/2" drive ratchet, breaker bar, or torque wrench — no specialty tool handle required. It is not a press-fit tool and won’t work with BB86/BB92 press-fit shells or tools for external bearing cups that use different spline patterns. If your crankset or BB cups specify a 386Evo threaded interface, this is the correct tool. Always verify your bottom bracket and crank manufacturer documentation before service. When in doubt, bring your old cup or crank to compare spline profiles or ask our techs for help.

Who It's For

This tool is aimed at serious road mechanics and DIY cyclists who run FSA 386Evo cranksets or any threaded cups built to the 386Evo profile. It's a must-have for shops that service multiple bikes and riders who prefer to keep maintenance in-house rather than relying on bike shops for every BB change. Also ideal for race support crews and bikepackers who maintain a compact but capable tool kit — the 1/2" drive compatibility means you can use most full-size torque wrenches or a compact breaker bar you already own.

Key Features

  • ✓ Precision-machined spline profile for FSA 386Evo bottom bracket cups
  • ✓ 1/2" drive socket interface for use with standard ratchets and torque wrenches
  • ✓ Hardened steel construction resists wear from repeated shop use
  • ✓ Compact, lightweight design—easy to store or carry in a toolkit
  • ✓ Fully surrounds cup for even torque distribution and slip resistance
  • ✓ MPN 230-3046, Product Number 901444 for accurate replacement or matching

Specifications

Misc E0410

Product Identifiers

Vendor Item # 230-3046
UPC 400310053015

Frequently Asked Questions

Will this tool work with all FSA MegaEvo/386Evo cups?

Yes — the MegaEvo BB Cup Tool is designed to fit the standard 386Evo threaded cup profile used by FSA and compatible aftermarket cups. Confirm your cups are threaded 386Evo style before purchase.

Can I use an impact wrench with this tool?

We recommend avoiding impact tools unless the bottom bracket or crank manufacturer explicitly allows impact installation/removal. Use a 1/2" drive breaker bar or torque wrench for controlled torque and to reduce the risk of damaging threads or cups.

What drive sizes work with this tool?

This socket-type tool accepts a standard 1/2" drive. That makes it compatible with most ratchets, breaker bars, and torque wrenches commonly found in home and professional toolboxes.

How do I prevent cross-threading during installation?

Start cups by hand to ensure correct thread engagement, clean and lightly grease the threads per manufacturer guidance, and use the tool to finish installation. If using a torque wrench, apply the specified torque value to avoid over-tightening.

Is this tool suitable for press-fit bottom brackets?

No. This is a threaded cup socket tool specifically for 386Evo-style threaded cups. Press-fit BB systems require different tools designed to press bearings in or out.

What materials and finish does the tool have?

The tool is built from hardened, precision-machined steel with a protective finish to resist corrosion and wear, giving long service life in shop environments.

Buying Guide

When buying a bottom bracket cup tool, match the tool to your bottom bracket and crank standard first — in this case, the FSA MegaEvo BB Cup Tool is tailored to 386Evo threaded cups. Prioritize tool compatibility (spline profile and drive size) and durable construction; hardened steel and precise machining reduce slippage and wear over time. Also consider what other tools you already own: choosing a 1/2" drive tool lets you use common ratchets and torque wrenches, minimizing extra purchases. If you work on multiple BB standards, invest in a small set of dedicated spline tools to cover press-fit and threaded systems safely.

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