JRI PWR Track Cranks zaffiro which fits as tight at

which fits as tight at 1 inch frame as at 40 mm aero tubing

High efficiency cartridge bearings (QRM+)

Batteries included AAA x 3

Reach: 70 mm

JRI PWR Track Cranks zaffiro which fits as tight atMaximize your cycling performance with JRI PWR Track Cranks. These expertly crafted track cranks provide you with top of the line quality and precision, ensuring optimal power transfer and efficiency. With JRI, you can trust that your rides will be smoother and faster. Made to be very strong and lightweight. Track and street applications 1 8" Chain ring 144BCD 7075 T6 Alu 49T 165mm crank arm length Pedal thread 9 16 5 Bolt Chain ring inc JRI Logo BLK