E3 BO Crank Arm Set - Bosch GEN 2/ Yamaha (ISIS Spindle), 15mm offset

E3 SH Crank Arm Set - E8000/E7000 (Hollowtech II Spindle), 13mm offset

E3 BR Crank Arm Set - Specialized w/BROSE, 0mm offset Right / 5mm offset Left

E3 BO Crank Arm Set - Bosch GEN 3 (BNI Spindle)

E3 SH Crank Arm Set - 5mm offset