WRP Works Racing Parts Steel Front Countershaft Sprocket (16-Tooth / 525 Pitch) — Part #HB10.216A

WRP Works Racing Parts Steel Front Countershaft Sprocket (16-Tooth / 525 Pitch) — Part #HB10.216A

$5.00
Sale price  $5.00 Regular price  $20.99
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WRP Works Racing Parts Steel Front Countershaft Sprocket (16-Tooth / 525 Pitch) — Part #HB10.216A

WRP Works Racing Parts Steel Front Countershaft Sprocket (16-Tooth / 525 Pitch) — Part #HB10.216A

$5.00
Sale price  $5.00 Regular price  $20.99
Product Overview
The WRP Works Racing Parts Steel Front Countershaft Sprocket (Part #HB10.216A) is a premium, competition-spec drivetrain component engineered by WRP (Works Racing Parts). This heavy-duty 16-tooth front engine sprocket serves as a high-reliability mechanical anchor, transferring raw power directly from the transmission countershaft out to your rear wheel assembly via an industry-standard 525-pitch drive chain. Designed as a precise direct original equipment manufacturer (OEM) replacement swap, upgrading to this ultra-durable 16T steel configuration lowers engine RPMs during steady highway cruising, reducing vibration and maximizing top-speed fuel efficiency.


Technical Specifications
  • Manufacturer: WRP Works Racing Parts
  • Part Number: HB10.216A
  • Product Type: Drive Train / Front Countershaft Engine Sprocket
  • Material: SCM-435 Ni-Chrome Molybdenum carbon-free steel with a gas-impregnated carburized core matrix.
  • Finish: Induction case-hardened raw steel coating with a specialized anti-friction layer.
  • Size Profile: 16-Tooth (16T) tooth geometry mapped precisely for a 525 final drive chain pitch.
  • Fitment Type: Direct OEM precision-fit bolt-on upgrade slider matching original factory spline clearance dimensions.
Key Features & Benefits
  • SCM-435 Carbon-Free Steel: Forged from structural chromoly steel with an elastic internal core that dynamically absorbs sudden shock loads, preventing the teeth from fracturing or snapping under brutal engine torque stress.
  • Self-Cleaning Mud Grooves: CNC-machined relief trenches at the base of every tooth face actively eject packed dirt, grit, and sand during extreme riding conditions, preventing high-tension chain spikes and maximizing overall chain lifecycle efficiency.
  • Ultra-Hard Carburized Surface: Undergoes a high-tech carbon impregnation treatment that yields a hardened exterior shell layer, significantly lowering frictional drag against the chain rollers and boosting sprocket lifecycle limits.
  • Micro-Tolerance Splines: Engineered to meet or exceed strict factory dimensional guidelines, eliminating transmission output shaft micro-play to keep power delivery linear and safeguard engine seals from leaks.
Confirmed Motorcycle Fitment
This specific footprint configured for a 525 chain pitch is a confirmed direct fit for the following high-performance sport and naked platforms:
Manufacturer Model Gearing Context Chain Pitch / Teeth
Honda Select Flagship Street/Sport Platforms Stock Gearing / Replacement 525 Pitch / 16-Tooth

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