Bolt-on installation - No modification required

You'll have total throttle control

The waist is tightened with the cords

stand out and at the same time be stylish

PBR Standard C45 Steel Rear Sprocket 820 - 520 820 43 C45 tm-racing-en-450-fi-450-2019-esi2020305 Bolt-on installation - No modificationRace Experience Thanks to Many Years of Competition Experience, PBR Developted A Wide Range of High Quality Sprocks in Collaboration with Top Teams. High Quality Steel Alloy 18NCD5high Wear Resistance Reduces High Precision Manufacturing Chain Pitch: 520. 0 Color: Black Materials: Steel Rear Teeth: 43. 0 REAR TYPE: 820 REAR Version: Standard