Praxis M30 BSA  68/73MM Threaded

Praxis M30 BSA Threaded Bottom Bracket 68/73mm is a high-performance bottom bracket designed for installing Praxis M30 spindle cranksets into BSA English threaded bicycle frames. Engineered for precision fit, smooth bearing performance, and long-term durability, this bottom bracket is ideal for road, mountain, gravel, and downhill cycling applications.

Built specifically for Praxis M30 spindle crank systems, the design features a 30mm drive-side bearing and a 28mm non-drive-side bearing to deliver improved crank spindle support and optimized bearing life. The forged and machined heat-treated aluminum cups provide excellent strength and durability while maintaining lightweight performance for demanding riding conditions.

Compatible with 68mm road, 68/73mm mountain bike, and 83mm downhill threaded frames, the Praxis M30 BSA bottom bracket offers versatile fitment across multiple bike platforms. The cartridge bearing system ensures smooth pedaling efficiency and reliable power transfer, making it suitable for racing, endurance riding, trail riding, and daily training.

Designed for easy installation and servicing, the bottom bracket is compatible with Praxis M30 socket-style or wrench-style tools for convenient maintenance and secure fitment.

Key Features

• Compatibility: Designed for Praxis M30 spindle cranksets

• Frame Compatibility: Fits BSA English threaded frames

• Shell Compatibility: Supports 68mm Road, 68/73mm MTB, and 83mm DH frames

• Bearing Design: 30mm drive-side and 28mm non-drive-side bearings

• Construction: Forged and machined heat-treated aluminum cups

• Bearing Type: Smooth cartridge bearing system

• Performance: Optimized power transfer and bearing durability

• Installation: Compatible with Praxis M30 installation tools

Product Specifications

• Brand: Praxis Works

• Product Type: Threaded Bottom Bracket

• Bottom Bracket Standard: BSA / English Threaded

• Crank Compatibility: Praxis M30 Spindle Cranks

• Shell Width Compatibility: 68mm, 73mm, 83mm

• Drive Side Bearing: 30mm

• Non-Drive Side Bearing: 28mm

• Cup Material: Heat-Treated Aluminum

• Bearing Type: Cartridge Bearings

• Installation Tool Compatibility: Praxis M30 Socket or Wrench Style Tools

Bearing Performance & Durability

• Optimized Bearing Support: Unique M30 design improves spindle alignment and stability

• Smooth Pedaling Efficiency: Cartridge bearings provide low-friction rotation

• High Strength Construction: Forged aluminum cups resist flex and wear

• Versatile Fitment: Suitable for road, MTB, gravel, and downhill bikes

• Long-Term Reliability: Built to handle demanding riding conditions and high mileage

Easy Operation / Usage

• Prepare and clean the BSA threaded bottom bracket shell

• Apply appropriate grease to frame threads before installation

• Thread the Praxis M30 cups into the frame using compatible tools

• Install the Praxis M30 crankset according to manufacturer guidelines

• Check bearing smoothness and crank preload before riding

Why Choose This Product

• Praxis-Specific Engineering: Designed exclusively for Praxis M30 spindle cranksets

• Wide Compatibility: Supports multiple frame shell widths and riding styles

• Durable Construction: Heat-treated aluminum cups improve strength and longevity

• Reliable Bearing Performance: Smooth cartridge bearings enhance pedaling efficiency

• Professional Quality: Ideal for racing, training, trail riding, and everyday cycling

In the Box

• Praxis M30 BSA Bottom Bracket Cups

• Cartridge Bearings

• Installation Documentation