Shimano Tiagra FC-4700 Crankset - 172.5mm 10-Speed 50/34t 110 Asymmetric BCD Hollowtech II Spindle Interface Gray ModelNumber=J2599 } The wrench is used

} The wrench is used to remove and install Shimano® Hollowtech II

Open shoulder lugs for secure off-camber traction

Your hands instantly feel comfort when they grasp their unique shape as if they were exclusively molded for your hands

}Wera 6003 Joker Combination Wrench - 17mm

Shimano Tiagra FC-4700 Crankset - 172.5mm 10-Speed 50/34t 110 Asymmetric BCD Hollowtech II Spindle Interface Gray ModelNumber=J2599 } The wrench is usedThe Shimano Tiagra FC 4700 2 piece crankset balances weight and efficiency without sacrificing stiffness. Optimal balance between stiffness and light weight provides outstanding power transfer Aluminum construction with anodized finish provides strength weight savings and keeps the crankset looking great Gear shape optimized for HG X chains Compatible with HG X 10 speed chain 43. 5mm Chainline 150mm Q factor Color Gray Rings 50 34 Number of Chainrings