Wald 10252 Training Wheels Kit: 16 - 20" Direct Mount Chainrings This optional mount kit allows

This optional mount kit allows cyclists to mount and install their compatible Varia device beneath their bicycle saddle on standard alloy seat rails (7mm round)

Tooth Count 52 Ring Position/Type Outer Drivetrain Speeds 11 Chainring BCD 110 Color Black Defined Color Black Material Aluminum

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9t driver features x3 bearings for added support

Wald 10252 Training Wheels Kit: 16 - 20" Direct Mount Chainrings This optional mount kit allowsWald 10252 Training Wheels Kit: 16 20". Durable training wheels that provide security and confidence to any childs bike. 5. 5" diameter plated steel wheels with rubber tread Made in the USA