This steel shaft sleeve adapts a crankshaft from 3/4” to 1“ diameter. It comes with step key that offsets from 3/16“ to 1/4“.

· Alters motors with a different diameter shaft
· Alters pulleys for a different speed or belt
· Reduces the necessity of buying a new motor or pulley to maintain existing components and speed/power requirements.
· Adapts larger wheel bores to smaller axels
· Works with Gas Engine Crank Shafts to enlarge the crank diameter to fit pulleys, gear boxes etc.

Part's specification:
· Sleeve inside diameter 3/4"
· Sleeve outside diameter 1"
· Sleeve length is about 3"
· Sleeve Keyway slot 1/4"
· Step Key Length is about 2"

The sleeve and step key are designed to exact fit on your 3/4” diameter crankshaft with 3/16” keyway and enlarge it to 1“ diameter with 1/4“ keyway.

Shipping Information:
Free Quick Shipping to USA.
Estimated Time of Arrival: within 3-8 working days.
Warranty:
1.Customers have the right to request a return within 60 days from the date of product receipt.
2.At Itopteng, we offer prompt customer service to assist with product usage inquiries and facilitate returns or refunds.