Shimano DXR MX71 Cranks Crank Arm Length:165mm The Rennen Chainring-4-Bolt at J&R

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

26" width and a durable aluminum crossbar for stiffness and strength

and a rigid

Material: Nylon peg with aluminum insert

20mm: 75g (average)

Shimano DXR MX71 Cranks Crank Arm Length:165mm The Rennen Chainring-4-Bolt at J&RThe 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