





⚙️ Upgrade your ride with precision and power!
The Jeremywell #25 B Type 30-tooth sprocket features a hardened AISI 1045 medium carbon steel construction with a 1/2 inch bore and 0.2 inch keyway, designed for jam-free chain operation and secure mounting via dual 90° set screws. Its black oxide finish offers corrosion resistance while maintaining a lightweight 13.6g profile, making it an ideal choice for professional-grade bicycle drivetrain upgrades.





| Manufacturer | Jeremywell |
| Part number | SP-25B30H-1/2 |
| Item Weight | 13.6 g |
| Product Dimensions | 10.16 x 15.24 x 2.54 cm; 13.61 g |
| Is Discontinued By Manufacturer | No |
| Material | 炭素鋼 |
| Teeth Per Inch | 0.25 Inches |
| Special Features | double_pitch_strand |
| Batteries Included | No |
| Batteries Required? | No |
| Item Dimensions LxWxH | 10.2 x 15.2 x 2.5 cm |
Trustpilot
1 day ago
1 week ago