Promax 4-Bolt Chainring - 42t 104 BCD Black MFPN=ST21-0BA88S48-BK Rear Tire Maxxis Rekon

Rear Tire Maxxis Rekon

8 Color Gold Rise 40 Weight 315 Material Aluminum Width 800 Defined Color Gold Back Sweep (deg) 7 Upsweep 5

37 BB/Frame Interface English BB Shell Width (mm) 68 BB Shell Width (mm) 73 Spindle Interface Type RaceFace/Easton CINCH Spindle Interface Type 386 EVO Spindle Interface Type Rotor 3D+ Spindle Interface Type e*Thirteen P3 Connect Spindle Interface Type Zipp Vuma Defined Color Black

8mm Clamp Diameter Black

Promax 4-Bolt Chainring - 42t 104 BCD Black MFPN=ST21-0BA88S48-BK Rear Tire Maxxis RekonPromax 4 Bolt Chainring 42t 104 BCD Black. Machined from high end aluminum Promax 4 bolt 104 BCD chainrings are designed to handle the torque and stress of modern BMX racing and are fully capable in other single speed applications. CNC Machined from high grade 6061 T6 series aluminum for high strength while providing weight savings Designed to be used with most cranksets and spiders that utilize a 4 bolt 104 BCD chainring TECH SPECS Color Black Ring