AnswerBMX Seatpost Extender 27.2x407mm Black Product Type_Computers and Accessories Color Red Material 6061 Aluminum

Color Red Material 6061 Aluminum Defined Color Red Thickness 1

} Compatible with 12 Speed Double X bridge shape for super fast and smooth shifting Inner and Outer plate chamfering 126 links

Fischer has

Precision-machined 6061 aluminum

External Reverb and Reverb Stealth parts that can be installed without needing to open the mechanism

AnswerBMX Seatpost Extender 27.2x407mm Black Product Type_Computers and Accessories Color Red Material 6061 AluminumCNC machined aluminum extension kit Quick release seat clamps and bolts to mount a bottle cage are included Model Extender Diameter 27. 2mm Length 407mm Setback Zero Material Aluminum Color Black