e*thirteen e*spec Aluminum Direct Mount Chainring 38t for Brose S Mag Black MFPN=IRDM826012SGSA 4" compound MaxxSpeed Silica bead

4" compound MaxxSpeed Silica bead folding type tubeless color black weight 840g

Nylon Composite Shell

8 Tread Type Dual EXO Tpi 60

model airbooster pro description inflator head presta/schrader CO2 included no color black weight 53g

Charger™ RC damper featuring low speed compression adjustment

e*thirteen e*spec Aluminum Direct Mount Chainring 38t for Brose S Mag Black MFPN=IRDM826012SGSA 4" compound MaxxSpeed Silica beade*spec Direct Mount Chainrings use e*thirteen's M3 narrow wide tooth profile which reduces weight without sacrificing chain retention. These lightweight and well designed chainrings are adapted to work with Brose S Mag eBike motor configurations. The M3 dual width tooth profile eliminates chain noise and decreases overall system wear 53mm Boost chainline 7050 Aluminum Tooth Count 38 Material Aluminum Color Black Designed for ebike Yes Defined Color