FSA 386 EVO
386 EVO
FSA

FSA 386 EVO

In Stock

Aluminum conical spacers that adapt BB86 or PF30/BB30 press-fit shells to accept FSA 386 EVO 30mm-spindle cranksets. Lightweight, black anodized, and precision-machined for secure alignment.

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Available Options

Option Price Availability
FSA, BB/PF30-->386 EVO, Bottom bracket adapter, BB/PF30-->386 EVO — In Stock
FSA, BB86/386Evo, Bottom Bracket, 86.5mm — In Stock

Product Details

Overview & Technology

The FSA 386 EVO adapter is a simple, high-precision solution for running FSA 386 EVO 30mm-spindle cranksets in frames with press-fit bottom bracket shells (BB86, PF30/BB30 variants available). Each adapter is a conical alloy spacer that indexes against the installed BB30/PF30 bearings to create the correct spindle interface and alignment for 386 EVO crank spindles. Construction and finish: the adapters are manufactured from a lightweight aluminum alloy and feature a black anodized surface for corrosion resistance and long-term wear protection. Precision-machined geometry ensures concentric seating, minimizing side-to-side play and preserving bearing life when paired with compatible 30mm bearings.

Key Features

Designed for compatibility and durability. The conical spacer shape accurately centers the 30mm spindle in press-fit bearings, delivering reliable crank engagement without the need for custom bearings or costly frame modifications. • Conical alloy spacers for precise alignment and preload control. • Black anodized finish for corrosion resistance and clean aesthetics. • Lightweight—adds negligible rotating mass (pack weight ~0.06 lb). • Available variants for BB86 (86.5 mm) and PF30/BB30 shells to match common road and gravel frames.

Fit & Compatibility

The 386 EVO adapter fits frames with press-fit 30mm-compatible bearings (BB30 or PF30) and converts those shells to correctly accept FSA 386 EVO cranksets with a 30mm spindle. Choose the correct variant for your shell: BB86 (86.5mm press-fit) or PF30/BB30. Always confirm your frame's shell width and the bearing type before ordering. Installation notes: adapters seat against the installed bearings and sit concentric to the spindle—use light grease on contact faces, torque the crank manufacturer’s recommended preload hardware, and verify there is no lateral play. If your frame uses oversized or nonstandard bearings, consult a qualified mechanic.

Who It's For

This adapter is ideal for road and gravel riders who own FSA 386 EVO cranksets but ride frames with press-fit BB86, PF30 or BB30 shells. It's a practical choice for riders upgrading cranks, swapping bikes, or building a drivetrain without replacing bearings or shell hardware. Whether you're a club racer, gravel explorer, or home mechanic, the adapter offers a cost-effective, lightweight way to achieve proper crank alignment and dependable performance across long rides and mixed-surface days.

Key Features

  • ✓ Conical alloy spacers precisely align FSA 386 EVO 30mm spindles
  • ✓ Black anodized aluminum for corrosion resistance and clean looks
  • ✓ Variants for BB86 (86.5mm) and PF30/BB30 press-fit shells
  • ✓ Lightweight—adds minimal rotating mass (approx. 0.06 lb)
  • ✓ Fits frames with BB30 or PF30 bearings installed
  • ✓ Simple install: seats against existing bearings; grease contact faces

Specifications

BB Shell Type BB30
BB Shell Width 86mm
Crank Spindle Diameter 30mm

Product Identifiers

Vendor Item # 200-3204
UPC 400310005519

Frequently Asked Questions

Which shell types does this adapter support?

The FSA 386 EVO adapter is offered in variants to suit BB86 (86.5 mm) shells and PF30/BB30 shells. It requires your frame to have BB30 or PF30-style 30mm bearings already installed. Verify your shell width and bearing type before purchasing.

Do I need special tools to install the adapter?

No specialized tools are required beyond standard crank installation tools and a torque wrench. Light grease on the adapter contact faces is recommended. If you're unfamiliar with press-fit bearings or crank preload procedures, have a shop install it to ensure correct alignment and torque.

Will this adapter affect bearing life or crank performance?

When matched with correctly installed 30mm bearings and the appropriate shell variant, the adapter preserves bearing alignment and crank function. Proper seating and torqueing are important—misalignment or improper preload can cause premature wear, so follow crank and frame manufacturer recommendations.

Can I use this to run a 386 EVO crank on an older BB30 frame?

Yes—if your BB30 frame uses 30mm bearings, the PF30/BB30 variant will adapt the shell to accept an FSA 386 EVO crankset. Confirm the bearing type and shell width before ordering to ensure compatibility.

Is the adapter compatible with non-FSA cranks that use a 30mm spindle?

The adapter is designed specifically to provide the correct seating for FSA 386 EVO crank geometry. While some 30mm-spindle cranks may physically fit, differences in spindle shoulder dimensions and preload systems can affect performance; compatibility is not guaranteed with non-FSA cranks.

What maintenance does the adapter require?

Maintenance is minimal—inspect for corrosion or damage during routine drivetrain service, re-grease contact faces if you remove the crank, and ensure bearings remain properly seated. The anodized finish reduces corrosion risk compared with bare aluminum.

Buying Guide

When buying a bottom bracket adapter, the two most important factors are shell compatibility (type and width) and bearing inner diameter. Choose the variant that matches your frame: BB86 (86.5mm) for frames that use the BB86 press-fit standard, or PF30/BB30 for frames that use 30mm bearings. Ensure your crankset spindle diameter is 30mm—this adapter is engineered specifically for FSA 386 EVO crank geometry. Also consider condition of existing bearings; replacing worn bearings when fitting the adapter will prolong service life and prevent creaks. If you ride frequently on rough roads or gravel, pay attention to seal quality and correct preload torque to protect bearings and maintain smooth pedaling performance.

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