SKU: TIP3841-45
MPN: TIP3841-45
The 600 Rear Sprocket 6.43in Bolt Circle 45T is a precision aluminum axle sprocket engineered for micro sprint racing applications. This 45-tooth rear sprocket features a 6.43-inch bolt circle diameter and natural aluminum finish, delivering the exact gear reduction needed for optimal power delivery and acceleration on short-track racing surfaces where gear ratio tuning directly impacts competitive lap times.
The 45-tooth configuration works in conjunction with your engine's final drive system to establish the specific mechanical advantage required for micro sprint performance envelopes. The 6.43-inch bolt pattern ensures compatibility with standard micro sprint rear axle assemblies, while the aluminum construction balances weight savings with structural integrity—critical for single-seat racing where unsprung mass directly affects chassis responsiveness and tire loading characteristics. The natural finish provides corrosion resistance without added coating weight, maintaining the sprocket's original specifications across multiple racing seasons.
This rear sprocket is engineered for competitors running micro sprint platforms who demand precision gear ratios for track-specific setups. Whether dialing in acceleration off the line, managing fuel efficiency over feature-race distances, or optimizing mid-range power delivery on high-banked ovals, the 45-tooth ratio provides tuning flexibility within the micro sprint class ruleset. Drivers and crew chiefs select sprocket tooth counts based on track characteristics, engine cubic displacement, and tire compound—making this 45T option a standard component in competitive micro sprint programs.
The TIP3841-45 designation confirms OEM compatibility and part traceability for racing records and inspection. Weighing 0.71 pounds, this sprocket integrates seamlessly into existing rear-end packages without requiring frame or suspension modifications, making replacement or upgrade straightforward for mid-season adjustments or seasonal gear changes.
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