 This is an optional ProTek R/C Hardened 17 tooth clutch bell for Mugen MBX5 and OFNA style clutch systems. These clutch bells are hardened and precision cut, providing you with worry free performance that is on par with any manufacturer. They also use the larger and more durable 5x12x4mm bearing in the inner and outer position, for increased load carrying capabilities. The clutch bell is installed over the clutch shoes and will engage when the engine rpm's increase, allowing the engines power to transfer to the center spur gear and the rest of the drive train. A clutch bell with fewer teeth than what you are using will provide increased bottom end acceleration with reduced top end speed, which is good for smaller technical tracks. A clutch bell with more teeth will increase top end speed, at the expense of reduced bottom end acceleration, which is better suited to larger flowing tracks. Includes two metal shielded 5x12x4mm clutch bearings.
Specifications:
Inner Diameter: 26.5mm
Bell Depth: 12.5mm
Bearing Size: 5x12x4mm
ProTek R/C is an A Main Hobbies brand.
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