Promax SQ-1 Crank Arm Set - 160mm Square Taper JIS Spindle Interface 110mm BCD BLK MFPN=W065-0616 }Full Speed Ahead Pro Track

}Full Speed Ahead Pro Track 46t x144mm Black Chainring 1/2"x1/8"

100% Surly Chromoly steel double-butted main triangle

Color Black Intended Brake Type Linear Pull Pad Attachment Style Threaded Post Pad Type One Piece Rim Compatibility Standard

Non-Threaded bottom brackets for SRAM and Truvativ cranksets

Promax SQ-1 Crank Arm Set - 160mm Square Taper JIS Spindle Interface 110mm BCD BLK MFPN=W065-0616 }Full Speed Ahead Pro TrackPromax SQ 1 Crank Arm Set 160mm Square Taper JIS Spindle Interface 110mm BCD Black. The SQ 1 cranks arms have a traditional five arm 110 bolt pattern spider and come in a variety of lengths to fit most riders or riding situations from the 5 and under BMX racer to the 6 foot tall fixie riding hipster. 110mm BCD Compatible with any JIS square taper bottom bracket Cold forged from 6061 T6 aluminum for strength low weight and durability and feature