Renthal Ultralight Rear Sprocket (49T) 192U-420-49GPSI - KTM / Husqvarna / GasGas 65cc 1998-2024

Product Description

The Renthal 192U-420-49GPSI Ultralight Rear Sprocket is engineered to deliver maximum power transfer and reduced rotational mass for 65cc mini racing machines. Manufactured in Manchester, UK, this 49-tooth rear sprocket is built specifically for riders seeking faster acceleration and sharper throttle response on the track.

Precision CNC-machined from aerospace-grade 7075 T6 aluminum alloy, this ultralight sprocket is 66% lighter than standard steel sprockets. It features self-cleaning mud grooves positioned between each tooth to resist dirt accumulation and maintain efficient chain engagement. Finished with a silver anodized coating, it provides exceptional durability and factory race team styling.

Top Features: Renthal 192U-420-49GPSI Rear Sprocket

• Precision CNC-machined from high-strength 7075 T6 aluminum alloy for lightweight durability.
• Ultralight construction reduces rotating un-sprung mass by 66% compared to standard steel sprockets.
• Integrated mud grooves help shed dirt and debris to reduce drive chain wear.
• Silver anodized finish resists corrosion and maintains clean factory styling.

Please review the detailed compatibility data below to ensure an exact fitment match for your motorcycle before finalizing your purchase.

Fitment List

Frequently Asked Questions

Q: What chain size is required for this sprocket?
A: This sprocket is designed to work with standard 420 size drive chains.

Q: How much lighter is this aluminum sprocket compared to steel?
A: CNC-machined 7075 T6 aluminum sprockets are roughly 66% lighter than equivalent steel sprockets, reducing rotating mass.

Q: Does this sprocket have mud grooves?
A: Yes, it features machined self-cleaning grooves between the teeth to clear dirt and mud buildup during riding.

Expert Pro-Tip: Always inspect your drive chain and front sprocket when installing a new rear sprocket. Installing a new aluminum sprocket on a stretched chain or worn countershaft sprocket will cause premature tooth wear. Always apply threadlock to your sprocket bolts and torque them evenly in a star pattern to manufacturer specifications.

Recommended Pairings:

• KTM 65 SX Performance Parts & Upgrades
• Husqvarna TC 65 Performance Parts
• GasGas MC 65 Performance Parts

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