FSA MegaExo BB-4000 Cartride BSA

Ratings
BrandMore from FSA
Delivered between 2.1.2026 and 9.1.2026
More than 10 pieces in stock at supplier
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Product details

The FSA MegaExo BB-4000 bottom bracket is a high-quality solution for cyclists who need a reliable and powerful connection between their crankset and frame. It is specifically designed for use with 19mm axle cranksets, such as the FSA Omega, and is suitable for frames with BSA threaded shells. The construction features robust oversized bearings and CNC-machined aluminum cups, ensuring durability and stability. Weighing only 97 grams, this bottom bracket offers an excellent combination of lightness and strength, making it an ideal choice for performance-oriented cyclists. The use of steel for the bearing quality ensures high load capacity and a long lifespan, while the precise machining guarantees smooth functionality. Therefore, the FSA MegaExo BB-4000 bottom bracket is an excellent choice for anyone who values quality and performance.

  • Compatible with 19mm axle cranksets
  • Robust oversized bearings for increased stability
  • CNC-machined aluminum cups for durability
  • Suitable for BSA threaded shells.

Key specifications

Box width
68 mm
Frame compatibility
BSA
Axis compatibility
19mm
Axis diameter
19 mm
Item number
313312

General information

Manufacturer
FSA
Category
Bottom brackets
Manufacturer no.
200-1893
Release date
29.5.2012

Colour

Colour
Black
Exact colour description
Black

Bottom Bracket Features

Frame compatibility
BSA
Axis compatibility
19mm

Mounting

Box width
68 mm
Axis diameter
19 mm

Origin

Country of origin
France

Voluntary climate contribution

CO₂-Emission
Climate contribution

Product dimensions

Axle diameter
19 mm
Weight
98 g

Package dimensions

Length
15.10 cm
Width
5.10 cm
Height
5.10 cm
Weight
128 g

30-day right of return
24 Months Warranty (Bring-in)
1 additional offer

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Bottom brackets» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • FSA
    Not enough data
  • 1.Sram
    0.2 %
  • 2.Shimano
    0.3 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • FSA
    Not enough data
  • 1.Shimano
    0 days
  • Sram
    Not enough data

Return rate

How often is a product of this brand in the «Bottom brackets» category returned?

Source: Digitec Galaxus
  • FSA
    Not enough data
  • 1.Sram
    3.4 %
  • 2.Shimano
    3.9 %
Source: Digitec Galaxus