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PBI Steel Front Countershaft Drive Sprocket (Part Number: 635-15)
$5.00
Sale price
$5.00
Regular price
$29.99
This is a premium, USA-made case-hardened steel front countershaft drive sprocket (PBI item code 635-15). CNC-machined from high-grade alloy steel and heat-treated for longevity, it acts as a direct replacement for hooked or worn front engine sprockets. It features custom-broached splines to maximize shaft contact, maintain smooth chain tracking, and prevent side-to-side wobble. [1, 2, 3]
Product Details
- CNC-machined from alloy steel to stop teeth flattening under high torque loads.
- Heat-treated construction provides maximum service life and minimizes teeth hooking.
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Broached splines guarantee uniform shaft contact to protect output shaft seals. [1, 2]
📋 Technical Specs
- Manufacturer: PBI Sprockets (USA)
- Part Number: 635-15
- Component Type: Front Countershaft Drive Sprocket
- Material: High-Grade Alloy Steel
- Chain Pitch Size: 428 Standard Pitch Line
- Tooth Configuration: 15-Teeth (15T) [1, 2, 3, 4]
🏍️ Vehicle FitmentThis 635-series 428 pitch layout fits the following metric dirt bikes and trail models natively: [1, 2]Year Make Model Sub-Model / Fitment Details 2003 – 2006 Kawasaki KLX125 / KLX125L 125cc Off-Road Dirt Bike Base & L-Models 2003 – 2008 Suzuki DR-Z125 / DR-Z125L Youth Off-Road Trail Models 1986 – 1988 Suzuki DR125 Vintage Single-Cylinder Dirt Bike 1994 – 1996 Suzuki DR125S Dual-Sport / Trail Variants