Praxis Aero Solid Road Chainring Set 53/39 130BCD, Black

Praxis Aero Solid Road Chainring Set 53/39T 130BCD Black is a high-performance aerodynamic chainring upgrade designed for road racing, time trial, and triathlon cyclists seeking maximum drivetrain efficiency, smooth shifting, and aerodynamic advantage. Precision engineered and cold forged from premium 7075-T6 aluminum, this solid disc-style chainring set combines lightweight strength, stiffness, and long-lasting durability for elite-level riding performance.

The Aero Solid design features a full-disc outer profile that improves aerodynamic airflow while delivering a sleek and professional race-ready appearance. Built with Praxis’ advanced shifting technology, the chainrings provide fast, smooth, and reliable front shifting performance even under high power output and race conditions.

The 53/39T standard gearing setup is ideal for high-speed road racing, TT events, and powerful riders looking for efficient cadence and strong top-end performance. Compatible with 130BCD 5-arm cranksets and modern Shimano, SRAM, Campagnolo, and KMC 10, 11, and 12-speed drivetrain systems, this chainring set offers broad compatibility for premium road bike builds.

Finished in a durable black anodized coating, the Praxis Aero Solid chainring set delivers exceptional wear resistance and race-focused aesthetics for serious performance cyclists.

Key Features

• Chainring Size: 53/39T standard road gearing

• BCD Compatibility: 130BCD 5-arm cranksets

• Design: Aero Solid aerodynamic disc-style chainrings

• Material: Cold forged 7075-T6 aluminum

• Finish: Durable black anodized coating

• Shifting Technology: Precision-engineered shift ramps and pins

• Compatibility: Supports 10, 11, and 12-speed drivetrains

• Application: Road racing, triathlon, and time trial cycling

Product Specifications

• Brand: Praxis Works

• Product Type: Aero Road Chainring Set

• Chainring Sizes: 53T / 39T

• BCD: 130BCD

• Material: 7075-T6 Aluminum

• Construction: Cold Forged

• Design Style: Aero Solid Disc

• Color: Black

• Speed Compatibility: 10/11/12-Speed

• Chain Compatibility: Shimano, SRAM, Campagnolo, KMC

• Application: Road Racing, TT, Triathlon

Aero Performance & Shifting Efficiency

• Aerodynamic Design: Solid outer ring profile improves airflow for race-focused efficiency

• Smooth Front Shifting: Optimized ramps and pins deliver fast and reliable gear changes

• High-Speed Gearing: 53/39T setup supports powerful road racing performance

• Cold Forged Strength: Enhanced durability and stiffness for demanding riding conditions

• Race-Ready Reliability: Designed for competitive cycling and high-output riding

Easy Operation / Usage

• Install onto compatible 130BCD 5-arm cranksets

• Tighten chainring bolts according to recommended torque specifications

• Adjust front derailleur alignment for optimal shifting performance

• Verify drivetrain compatibility before use

• Inspect chainring wear periodically for best long-term operation

Why Choose This Product

• Aerodynamic Advantage: Solid disc design improves racing efficiency and bike aesthetics

• Premium Material Quality: Cold forged 7075-T6 aluminum ensures durability and stiffness

• Reliable Praxis Shifting: Smooth front shifting under race conditions

• Wide Drivetrain Compatibility: Works with major modern road groupsets

• Built for Competitive Riding: Ideal for road racing, TT, and triathlon bikes

In the Box

• Praxis Aero Solid 53T Outer Chainring

• Praxis Aero Solid 39T Inner Chainring