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Renthal Ultralight Rear Sprocket 40T 520 Pitch for Yamaha YFM250R YFM700R YFZ450R 437U-520-40GBSI

Part Number: 12110099
RENTHAL
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SKU:
12110099
UPC:
765442067553
MPN:
437U-520-40GBSI
Condition:
New
Availability:
Ships Same Business Day
Weight:
0.56 LBS
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$99.82

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Description

Reducing unsprung weight on your Yamaha directly improves acceleration response and handling precision—critical factors whether you're racing or pushing your machine to its limits. The Renthal Ultralight Rear Sprocket delivers a 66% weight reduction over stock steel, giving you measurable performance gains without sacrificing the durability you need for sustained high-performance riding. The self-cleaning mud grooves ensure consistent power transfer in all conditions, eliminating the performance loss that comes from dirt buildup on traditional sprockets.

  • Tooth Count: 40T
  • Chain Pitch: 520
  • Material: 7075-T6 aluminum
  • Weight: 66% lighter
  • Finish: Silver anodized
  • Self-cleaning: Mud grooves
  • Construction: CNC-machined
  • Compatibility: Yamaha YFM250R, YFM700R, YFZ450R
  • Installation: Bolt-on
  • MPN: 437U-520-40GBSI
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Specs

CHAIN SIZE:
520
MATERIAL:
ALUMINUM
MOUNTING POSITION:
REAR
TOOTH COUNT:
40
UNITS:
EACH
COLOR/FINISH:
SILVER
RIDING STYLE:
ATV
PRODUCT NAME:
SPROCKET
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Fitment

Fitment for Renthal Ultralight Rear Sprocket 40T 520 Pitch for Yamaha YFM250R YFM700R YFZ450R 437U-520-40GBSI

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