Redline 401 Single Pinch Flight Cranks with Techmatik BB Chrome Arm Length:180mm This formula has been refined

This formula has been refined and improved since the late 90's

They feature the Ultradriver

here in Chrome

20 x 1-1/8" (O

Disc mounts included

Redline 401 Single Pinch Flight Cranks with Techmatik BB Chrome Arm Length:180mm This formula has been refinedReferencing original drawings and specifications, the Redline by Kastan 401 Flight cranks set is built to original era specifications identified as a reissue by a small RBK stamping on the rear of the arm between the spindle boss and sprocket drive boss. The crank arm is produced from swaged 4130 chromoly steel with decal pockets stamped into both sides of the arm and a single pinch bolt installation system. The crank is currently available in 175 mm