Promax 5-Bolt Chainring - 45t 110 BCD Black MPFN-AM-M025-32 65" rate (lbs) 400 color

65" rate (lbs) 400 color black

you benefit from the rising rate in the last 30% of the GENIE stroke

a spare o-rings

Top cover employ removable and replaceable silicone lip seals to keep the sealed

Promax 5-Bolt Chainring - 45t 110 BCD Black MPFN-AM-M025-32 65" rate (lbs) 400 colorPromax 5 Bolt Chainring 45t 110 BCD Black. Machined from high end aluminum Promax 5 bolt 110 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 5 bolt 110 BCD chainring TECH SPECS Color Black Ring