Praxis M30 BSA Bottom Bracket

Safety Information - Read Before Ride

Proper installation requires specific tools and experience. It is recommended that a qualified bicycle technician installs this product.

• Read service instructions for your crank carefully.
• Loose, worn, or damaged parts can cause riding problems and serious injury.
• Incorrect installation or adjustments may lead to the chain coming off, causing a fall and potential injury.
• Ensure the BSA frame shell is clean.
• Apply Anti-Seize compound to the drive cup threads and smooth taper area before installation.
• Before riding, check for any play or looseness in the bottom bracket connection. Periodically retighten crankarms and pedals.
• If looseness or 'play' is felt in the bearings, the bottom bracket should be inspected or replaced.
• Always read crankset instructions in conjunction with these bottom bracket instructions.
• Do not wash the bottom bracket with high-pressure water jets.
• For maximum performance, periodically remove, inspect, and clean your Praxis Works bottom bracket.
• Parts are not guaranteed against natural wear or deterioration from normal use.
• Contact a professional bicycle dealer or Praxis Works for questions regarding installation, adjustment, maintenance, or operation.
• Praxis Works is not responsible for damages or injuries related to improperly installed components.

Warranty

Praxis Works Bottom Bracket products are warranted against defects in materials or workmanship for two years from the original purchase date. This warranty is non-transferable and valid only for the original purchaser.

Any modification (e.g., drilling, grinding, painting) will void the warranty. The warranty does not cover 'abused' or neglected products, or those damaged by improper installation.

Praxis Works' liability is limited to free repair or replacement of the product at their option. Praxis Works is not liable for indirect, special, or consequential damages, except as required by law.

This written warranty replaces all other implied or expressed warranties. It grants specific legal rights, which may vary by state. For full warranty policy and claim instructions, visit www.praxis-works.com.

Specifications and Compatibility

Crankset: M30 BSA

English Threaded BB for M30 Road or MTN Cranks

Compatibility

Compatible with Praxis M30 Cranks.

Suitable for BSA 68mm Road Frames and BSA 68/73mm MTB Frames.

Required Tools

• One Praxis M30 BB Tool
• 3/8" Drive Torque Wrench
• Anti-Seize Compound
• Waterproof Grease

Included Parts

The following parts are included with the M30 BSA Bottom Bracket:

Parts Identification

Visual representation of components for Left/Non-Drive side (28mm I.D.) and Right/Drive side (30mm I.D.). Numbers correspond to the included parts list.

Bottom Bracket Installation

Follow these steps for proper installation:

• Frame Preparation: Ensure the frame shell is clean.
• Apply Lubricant: Apply grease or anti-seize to the frame and BB cup threads.
• Install Drive Cup: Thread the Right/Drive cup into the frame's Right/Drive side. Locate and follow directional arrows on the cup.
• Install Non-Drive Cup: Thread the Left/Non-Drive cup with the attached moisture seal into the frame's Left/Non-Drive side. Locate and follow directional arrows on the cup.
• Torque Cups: Tighten both cups to 40Nm using a Praxis M30 Tool.
• Install Dust Covers: Refer to the 'BB Dust Cover Guide' for the correct dust covers for your crank. Lightly grease the underside of the dust covers and place them over the bearings with logos facing outward.

Note: The included 2 Cup Spacers (item 3 & 5) are specifically for MTN bike cranks on 68mm wide frames.

For crank installation, please refer to the CRANK instructions available at www.praxiscycles.com/manuals.

BB Dust Cover Guide

This guide helps determine the correct dust covers and spacers for various Praxis M30 crank and frame combinations.

Definitions:

• DM: Direct Mount Spider (Removable Spider)
• NON-DM: Not Direct Mount Spider (Pressed-On Spider)
• DM GR: Direct Mount Spider - Gravel Crank (Removable Spider 'GR' crank)

Road M30 Compatibility

MTN M30 Compatibility

Reference - Frame BB Specs

BSA 68mm Road / 73mm MTB

BSA / English Threaded