4 in. Performance Wheel XL 1.125 in. Bearing Bore
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....Read More
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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.
Note: This wheel is designed to utilize rivets to attach the tread to the wheel. AndyMark recommends steel 1/8" diameter rivets with a 0.251" - 0.312" grip range. The wheel has been manufactured with no holes on the rim, as it is intended to be a blank canvas for teams to install rivets freely.
- Bore: 1.124 in.
- Diameter: 3.7 in.,4.0 in. Nominal with Tread
- 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: 0.37 lbs
- Width: 1.525 in. Lip to Lip, 1.625 in. Outside Lip to Outside Lip, 1.750 in. Overall