FSA BB392EVO/30 Adapter 68/73mm for MTB MFPN=11A00809 while the Torsion Cap construction

while the Torsion Cap construction provides resilience and dynamic response

Rear spoke hooks to hold lever in place when second lever is used

especially on humid snow

eBike compatible Links 112 Drivetrain Speeds Single Speed 3/32" Chain Connection Type Single Use Master Link Color Silver Half Link Chain No Designed for ebike Yes Defined Color Silver

FSA BB392EVO/30 Adapter 68/73mm for MTB MFPN=11A00809 while the Torsion Cap constructionFSA (Full Speed Ahead) 386 EVO Bottom Bracket AdaptorsThis is a pair of spacers that adapts a 386 EVO crankset to a 68mm BB30 or PF30 frame; use in combination with the standard bottom bracket for your chosen frame