FSA Pro Road 50T Chainring
Pro Road 50T Chainring
FSA

FSA Pro Road 50T Chainring

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Lightweight CNC-style aluminum outer chainring for 10/11-speed road double cranksets. 110mm BCD, 50T, 5-bolt — engineered for precise shifting and durable black finish.

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Product Details

Overview & Technology

FSA's Pro Road 50T is an outer chainring designed for 10/11-speed road double cranksets with a 110mm, 5-bolt BCD. Built from machined aluminum with a black finish, it balances low weight and long-term durability for club rides, fast group rides, and training sessions. The ring's tooth profile is optimized for modern 10/11-speed chains to deliver consistent, reliable shifts under load. Its straightforward, precision-machined construction keeps things serviceable — a direct replacement part when you want OEM fit and function without unnecessary complexity.

Key Features & Benefits

Lightweight aluminum construction: Machined aluminum keeps rotating mass low for snappy acceleration and sustained climbs. The black finish helps resist corrosion and looks clean on most cranksets. Precision fit for 110 BCD, 5-bolt doubles: Designed as an outer ring for double cranksets, the 50-tooth sizing delivers higher top-end gearing for fast flats and sustained high-speed sections. Compatibility with 10 and 11-speed drivetrains ensures smooth engagement and dependable shifting.

Fit, Compatibility & Specs

This chainring fits any double crankset that uses a 110mm, 5-bolt BCD pattern and accepts a 50T outer ring. It's compatible with 10- and 11-speed chains and standard double chainring spacing. The ring measures approximately 0.3 lb (≈136 g) and ships in a slim 9.2" × 9.2" × 0.3" package. Before purchasing, confirm your crank's BCD is 110mm and that your crank accepts an outer chainring of this thickness and bolt pattern. If your crank uses integrated spiders or non-standard mounting hardware, check the manufacturer's compatibility list or contact us.

Who This Chainring Is For

Ideal for road cyclists who need a reliable 50T outer ring for fast group rides, time trial efforts, or club events where higher gearing is required. It suits riders upgrading worn chainrings or replacing a damaged outer ring with an OEM-style option. Choose this FSA Pro Road 50T if you want a straightforward, lightweight aluminum ring that delivers proven shifting performance across 10- and 11-speed drivetrains without breaking the bank.

Key Features

  • ✓ 50-tooth outer ring for higher top-end road gearing
  • ✓ 110mm 5-bolt BCD fits standard double cranksets
  • ✓ Compatible with 10- and 11-speed chain systems
  • ✓ Precision machined aluminum for low weight and strength
  • ✓ Black anodized finish resists corrosion and looks sharp
  • ✓ Direct-replacement OEM fit for many FSA cranksets
  • ✓ Approximate weight 0.3 lb (≈136 g) for minimal rotating mass

Specifications

BCD 110
Chainring Bolts 5
Chainring Comp. Double
Teeth 50
Material Aluminum
Position Outer
Primary Color Black
Speed 10/11

Product Identifiers

Vendor Item # 371-0250F
UPC 400310067289

Frequently Asked Questions

Will this fit my crankset?

This chainring fits cranksets that use a 110mm, 5-bolt BCD and accept an outer ring for a double configuration. Verify your crank's BCD and bolt pattern before ordering; if your crank uses a proprietary spider or bolt pattern, this ring may not be compatible.

Is it compatible with 9-speed or 12-speed drivetrains?

The Pro Road 50T is optimized for 10- and 11-speed chains. It may physically fit 9-speed chains but shifting performance could be less precise. It is not recommended for 12-speed systems, which use different tooth profiles and spacing.

Does it include chainring bolts?

The product listing is for the outer chainring only. Chainring bolts are typically sold separately; check your crankset for existing hardware or add compatible 5-bolt chainring bolts when ordering.

How durable is the finish and material?

Constructed from machined aluminum with a black finish, the ring offers good corrosion resistance and wear life for road use. Normal wear will occur over time, especially with heavy or frequent shifting under load; regular chain maintenance will extend ring life.

Can I replace a worn inner chainring with this outer ring?

No. This is sized and profiled as an outer chainring for a double crankset. Inner (smaller) chainrings have different tooth profiles and may use different spacing; always replace with the correct inner/outer position ring to maintain shifting performance.

What tools do I need to install this chainring?

You will need the appropriate hex or Torx wrench for your crank's chainring bolts, and, if removing a crank arm, the tools specified by your crank manufacturer. Torque to the manufacturer's recommended values to avoid bolt loosening or damage.

Buying Guide

When buying an outer road chainring, confirm three things: BCD/bolt pattern, tooth count and drivetrain speed compatibility. A 110mm 5-bolt BCD is a common standard for many road double cranksets, and a 50T outer ring is ideal for riders who prioritize higher top-end gearing. Also consider chain wear and cassette ratio — a new chainring works best with a chain and cassette in good condition. If your chain is stretched, replace it with the chainring to maintain smooth shifting and avoid premature wear.

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