DRIVEN RACING Rear Sprocket - 45-Tooth 5178-520-45T
Part Number: 12101037DRIVEN RACING
- SKU:
- 12101037
- MPN:
- 5178-520-45T
- Condition:
- New
- Availability:
- Ships Same Business Day
- Weight:
- 2.30 LBS
Description
If you're running a 520 chain setup and serious about performance, sprocket weight directly impacts acceleration response and rotational inertia—this DRIVEN Racing rear sprocket delivers measurable gains without compromise. The 45-tooth configuration offers a proven gearing sweet spot for mid-range power delivery, while the proprietary EST Technology ensures the durability you need for consistent lap times and long-term reliability. The aggressive weight reduction through lowered tooth surfacing means you're getting genuine performance engineering, not marketing promises.
- Tooth Count: 45T
- Chain Size: 520
- Material: High-grade steel
- Finish: Black zinc semi-gloss
- Technology: EST proprietary design
- Weight: Among lightest available
- Surface: Lowered for weight reduction
- Installation: Bolt-on fitment
- MPN: 5178-520-45T
Specs
COLOR/FINISH: |
ZINC |
COLOR/FINISH: |
BLACK |
UNITS: |
EACH |
MATERIAL: |
STEEL |
PRODUCT NAME: |
SPROCKET |
TOOTH COUNT: |
45 |
CHAIN SIZE: |
520 |
MOUNTING POSITION: |
REAR |
RIDING STYLE: |
STREET |
TYPE: |
DRIVE |
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