4 in. Performance Wheel XL 1.125 in. Bearing Bore
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Description
Competition eligibility — read before buying
Legal for FIRST Robotics Competition (FRC). NOT legal for FIRST Tech Challenge (FTC) — do not build this part into an FTC robot. Eligibility is set by each season's game manual — check the current rules before you compete.
Product Overview
The 4 in. Performance Wheel XL is a virtually indestructible wheel made out of solid 6061 aluminum. This competition-proven design has been used on FIRST Robotics Competition robots for many years. This new version of this wheel is 50% wider than our regular 4 in. Performance Wheels for maximum traction. This wheel can take anything an FRC robot can throw at it, and much more.
This wheel is designed to be supported by 1.125 in. OD (FR8) flanged bearings, and driven by motion hardware that utilizes a 1.875 in 6-hole bolt circle found in many AndyMark and competition robotics products. To mount one of these to the rear (flat) side, use a 250 Sprocket and Pulley Spacer. To mount one to the front, use a 550 Sprocket Spacer. This wheel does not include 1.47" wide tread material.
Competition eligibility
| FIRST Tech Challenge (FTC) | Not legal |
| FIRST Robotics Competition (FRC) | Legal |
Specifications
| Part number | zy-4176 |
| Bolt Pattern | 6 hole on a 1.875 in. diameter bolt circle |
| Bore | 1.124 in. |
| Diameter | 3.7 in. |
| Finish | Tumbled |
| Hole Pattern | Qty 6 0.159 in. holes on a 1.875 in. bolt circle tapped for 10-32 thread |
| Material | 6061-T6 Aluminum |
| Weight | 0.374 lbs |
| Width | 1.525 in. Lip to Lip |
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