FSA Super ABS Inner Chainring – 39T, 110BCD, 5-Bolt

Product Description:

The FSA Super ABS inner chainring is a high‑quality 39‑tooth, 110BCD, 5‑bolt ring designed for smooth, reliable shifting on 10‑ and 11‑speed road drivetrains. Machined from AL7075‑T6 aluminum, it offers excellent stiffness, durability, and precise chain control.

This is the ABS (Asymmetrical Bolt System) version and is only compatible with FSA ABS crankarms. It will not fit standard 110BCD cranksets.

The chainring is brand new OEM, never installed, and not in retail packaging.

Key Features:

• Brand: FSA

• Model: Super ABS

• Tooth Count: 39T

• BCD: 110mm

• Bolt Pattern: 5‑Bolt ABS (asymmetrical)

• Speed: 10/11‑Speed

• Material: AL7075‑T6 aluminum

• Color: Black

• Weight: 47g

• Includes: Chainring only

• Condition: New OEM (no retail packaging)

• Compatible Brand: FSA ABS crankarms only

• Country of Origin: Taiwan

• MSRP: $70

Fitment Details:

• Fits FSA ABS crankarms (asymmetrical bolt spacing)

• Not compatible with standard 110BCD cranksets

• Designed for road, racing, and touring bikes

• Pairs with 53T outer rings in typical 53/39 setups

Performance Features:

• Precision CNC‑machined AL7075‑T6 construction

• Optimized tooth profile for smooth shifting

• Durable, lightweight design

• ABS asymmetric bolt pattern ensures proper alignment

• Genuine FSA component for high‑performance drivetrains