Shimano DXR MX71 Cranks Crank Arm Length:165mm PneuMax 110 PSI High-Pressure Coating

PneuMax 110 PSI High-Pressure Coating

The Rennen Chainring-4-Bolt at J&R Bicycles is made from airplane-grade 7075-T6 aluminum alloy which is 83-percent stronger than the standard 6061-T6

Wrap-welded pedal bosses

Bead Diameter: 507mm

but they’ve snuck in some Box One parts to really put this wheelset on top of the Box Three line

Shimano DXR MX71 Cranks Crank Arm Length:165mm PneuMax 110 PSI High-Pressure CoatingThe Shimano DXR MX71 Cranks at J&R Bicycles feature updated design elements created specifically for the rigorous demands of the BMX racetrack. Shimano re designed their MTB Saint Cranks engineered them to fit BMX applications. Made from hollow forged aluminum for lightweight durability with a stiff and rigid design and shortened spindle that ensures precise chain alignment for optimal power transfer. Please note: that the chainring is not included