Universal Parts cush drive sprocket hub carrier 143-10 sprocket-facing side showing cast alloy body four cush drive rubber pads four bolt holes and pre-installed 6203-RS sealed bearing Universal Parts cush drive sprocket hub carrier 143-10 sprocket-facing side showing cast alloy body four cush drive rubber pads four bolt holes and pre-installed 6203-RS sealed bearing
Universal Parts cush drive sprocket hub carrier 143-10 rim-mounting reverse side showing raised center hub four bolt holes and 25x40x7 grease seal Universal Parts cush drive sprocket hub carrier 143-10 rim-mounting reverse side showing raised center hub four bolt holes and 25x40x7 grease seal
Universal Parts cush drive sprocket hub carrier 143-10 sprocket-facing side showing cast alloy body four cush drive rubber pads four bolt holes and pre-installed 6203-RS sealed bearing
Universal Parts cush drive sprocket hub carrier 143-10 rim-mounting reverse side showing raised center hub four bolt holes and 25x40x7 grease seal

Universal Parts

Universal Parts Sprocket Hub Carrier - 54mm Inner Bore

SKU 143-10
$21.00
Shipping calculated at checkout.
Description

Replace a worn or damaged sprocket carrier with this Universal Parts Cush Drive Sprocket Hub Carrier for mini dirt bikes and pocket bikes. Cast alloy construction with four cush drive rubber cushion pads on the sprocket-facing side to absorb chain shock and reduce drivetrain stress. Pre-installed 6203-RS sealed bearing and 25x40x7 heavy-duty grease seal protect against dust and moisture. Four-bolt mounting pattern on the rim-facing side with a raised center hub. Verify your sprocket bore and bolt pattern dimensions before ordering.

Specifications

  • SKU: 143-10
  • Brand: Universal Parts
  • Sprocket Bore (Inner Diameter): 54mm
  • Bolt Hole Spacing (Diagonal): 70mm
  • Bearing: 6203-RS sealed bearing (pre-installed)
  • Grease Seal: 25x40x7mm (pre-installed)
  • Material: Cast alloy
  • Bolt Holes: 4
  • Dimensions: 6" L x 6" W x 5" H

Compatibility

Universal fit for mini dirt bikes, pocket bikes, and small electric dirt bikes using a sprocket with a 54mm center bore and a 70mm diagonal bolt pattern. Common applications include 43cc, 47cc, and 49cc gas pocket/mini dirt bikes and small electric dirt bikes with matching sprocket and wheel dimensions.

Rim designs vary across manufacturers — always verify your sprocket bore and bolt hole spacing against the specs above before ordering.

 
Product Diagrams
Features
  • Cast Alloy Cush Drive Carrier with Four Rubber Cushion Pads for Chain Shock Absorption
  • Pre-Installed 6203-RS Sealed Bearing and 25x40x7 Heavy-Duty Grease Seal
  • 54mm Sprocket Center Bore / 70mm Diagonal Bolt Pattern / Four Mounting Holes
  • Universal Fit for Mini Dirt Bikes and Pocket Bikes — Verify Dimensions Before Ordering
Specifications

SKU: 143-10 | Brand: Universal Parts | Sprocket bore: 54mm | Bolt spacing: 70mm diagonal | Bearing: 6203-RS sealed (pre-installed) | Seal: 25x40x7mm (pre-installed) | Bolt holes: 4 | Material: Cast alloy | Dims: 6" L x 6" W x 5" H | Fits: Mini dirt bikes and pocket bikes with matching 54mm sprocket bore
Model Fitments

Universal fit — Mini dirt bikes and pocket bikes with 54mm sprocket bore and 70mm diagonal bolt pattern (43cc, 47cc, 49cc gas and small electric variants)
  • Same day shipping for orders placed before 2PM (CST) M-F
  • 30-day return period on eligible items
  • Flat-rate shipping for orders shipped to the 48 Contiguous United States.
Since 1989

Supplying parts and accessories for vintage and modern scooters since 1989 – Over Half a Million Served and Counting!

Comprehensive Resource

From wear-and-tear items like tires and oil filters to aftermarket parts from industry-leading brands.

Dealer Focused

With a committed team of dealer-focused sales reps and streamlined pricing and shipping processes, we are dedicated to supporting your business.

Innovative

Our team constantly strives to develop and source the best new products for your scooter.