Praxis Works Mid-Compact Ring Set 110BCD 36/52T Buzz Sport CheckoutSpec= The One }Magura QM 50 Disc Brake

}Magura QM 50 Disc Brake Adapter - For Front Wheel 140/160mm Flat Mount

Gender/Age Adult Rotational Protection No Minimum Head Circumference 52 Color Signal Silver Size Medium Visor Included Yes Multi Impact No Weight 400 Helmet Certifications Complies with the U

Weight:  100 mm / standard • 49g   |  110 mm / Boost • 53g

} Specifically tuned for smaller riders

Praxis Works Mid-Compact Ring Set 110BCD 36/52T Buzz Sport CheckoutSpec= The One }Magura QM 50 Disc BrakeSimple, economic replacement set Cold forged 7075 T6 aluminum and hard anodized for durability LevaTime: Praxis unique timing and shifting technology Not compatible with Campagnolo Fulcrum Ultra Torque Racing Torque cranksets * 32 48t rings: this is a custom ring set that can only be installed on the new Praxis Works branded 110BCD road cranks, and also the new Specialized alloy 110BCD spider. This specific set includes custom bolts required for