Dimension Cassette - 7 Speed 12-28t Silver Model=Slime Sealant }MSW 12-20" Metal Training Wheel

}MSW 12-20" Metal Training Wheel Set

34 spoke nipples from DT Swiss

}Dimension Chainring - 48T 104mm BCD Outer Black

}Shimano Claris SL-R2030 Triple (3x) Left Flat Bar Shifter

Dimension Cassette - 7 Speed 12-28t Silver Model=Slime Sealant }MSW 12-20" Metal Training WheelDimension Cassette 7 Speed 12 28t Silver. Available in a variety of gear ranges from seven to eleven speeds Dimension cassettes feature Shimano SRAM compatible spacing and fitment for crisp shifting and install with standard tools to replace worn out cogs. Steel cogs and lock ring TECH SPECS Color Silver Range 12 28 Cassette Cogs 12 14 16 18 21 24 28 Cassette Body Type Shimano 7 Speed Drivetrain Speeds 7 Weight 236 Defined Color Silver