SM-RT64 Disc Brake Rotor Options:SM-RT64-M Disc Brake Rotor with External Lockring - 180mm, Center Lock, Silver 2-finger lever size - 3x

2-finger lever size - 3x Front Speeds

7mm square temper hardened steel links

and youth-oriented sizing make the Shuffle Youth LED helmet the perfect choice for your kids—day or night

the T-Type derailleur mounts around the wheel axle itself

SM-RT64 Disc Brake Rotor Options:SM-RT64-M Disc Brake Rotor with External Lockring - 180mm, Center Lock, Silver 2-finger lever size - 3xThe Shimano SM RT64 disc brake rotor delivers powerful and consistent braking performance in all riding conditions. The Center Lock mounting system makes installing and removing rotors quick and easy, thanks to the spine mount and lock ring design. Compatible with both resin or metal pads Includes external type rotor lockring