SunRace CSMZ903 Cassette - 12-Speed 11-51t Black Chrome Model=40-Series ZS - Zero Stack Headset With no mounts or screws

With no mounts or screws the bags come in three different sizes to suit any frame

}WTB Raddler Tire - 700 x 44 TCS Tubeless Folding Black Light Fast Rolling

Paintwork protection film included

Rear axle conversion kits convert your hub to fit a new axle measurement or for a new group set

Features a 14-tooth upper and 18-tooth lower aluminum pulley wheels with Grade 3 Silicon Nitride balls to provide absolute optimization of the rear derailleur

SunRace CSMZ903 Cassette - 12-Speed 11-51t Black Chrome Model=40-Series ZS - Zero Stack Headset With no mounts or screwsThe SunRace MZ 12 Speed Cassette offers a wide ratio design. Range 11 51 Cogs 11 13 15 17 19 21 24 28 33 39 45 51 Cassette Body Type Shimano HG Drivetrain Speeds 12 Color Black Chrome Weight 497 Defined Color Black