Universal Parts Dirt Bike Front Fork Steering Bearing Set

Bring smoother steering back to your dirt bike with the Universal Parts Front Fork Cup & Bearing Set. Replacing worn steering bearings and their mating cups helps restore a more controlled feel at the handlebars, whether you're navigating a tight trail or lining up your next turn. This set combines two caged ball bearings with four cup/race pieces for a dimension-matched steering-head repair.

Key Features

• Steering Refresh: Replace worn cup and bearing components to help restore smooth steering movement.
• Matched Repair Components: Two caged ball bearings and four cup/race pieces supplied together.
• Caged Ball Design: Retainers keep the bearing balls arranged for assembly.
• Detailed Fit Checks: Cup, race and bearing measurements help you compare the set with your existing parts.

Technical Specifications

• Brand: Universal Parts
• Part number: 173-21
• Supplier reference: OT41
• Race: 25mm inner diameter × 41mm outer diameter × 6mm thickness
• Ball bearing: 24.5mm inner diameter × 36mm outer diameter
• Cup 1: 22.5mm inner diameter × 36mm outer diameter × 7.7mm thickness
• Cup 2: 24mm inner diameter × 38.6mm outer diameter × 8.3mm thickness
• Set contents: Two caged ball bearings and four cup/race pieces

Compatibility

For dirt-bike steering-head assemblies that match these cup, race and bearing dimensions. Compare all supplied measurements, seating profiles and the assembled stack height with your original components before ordering. Fitment is dimension-based, not universal across dirt bikes.

Install with the correct bearing lubrication and steering-bearing adjustment for your vehicle. After assembly, check that the steering moves freely without binding or excess play.

• Steering-head cup and bearing replacement set
• Two caged ball bearings included
• Four cup/race pieces included
• Dimension-based dirt-bike fitment

Brand: Universal Parts; Part number: 173-21; Supplier reference: OT41; Race ID/OD/thickness: 25/41/6mm; Ball bearing ID/OD: 24.5/36mm; Cup 1 ID/OD/thickness: 22.5/36/7.7mm; Cup 2 ID/OD/thickness: 24/38.6/8.3mm; Contents: two caged ball bearings and four cup/race pieces

Dirt bikes with matching steering-head cup, race and bearing dimensions; verify seating profiles and assembled stack height; no specific make or model confirmed.