Promax SQ-1 Crank Arm Set - 140mm Square Taper JIS Spindle Interface 110mm BCD Red CheckoutTitle=RockShox Rear Shock Damper Body - Bearing Eyelet Chainline/Hub Compatibility 135/142 MTB Hubs

Chainline/Hub Compatibility 135/142 MTB Hubs Chainline/Hub Compatibility 141/148 Boost Hubs Defined Color Black Direct Mount Type Direct Mount Shimano Material Aluminum Offset 3 Ring Position/Type Chain Retaining Single Ring Round or Oval Oval Tooth Count 32

}Shimano Ultegra CS-6700 Cassette - 10 Speed 12-25t Silver

4" compound single 60a bead folding casing tubeless color white/tanwall weight 860g

}Shimano SM-JC41 Di2 Internal Frame Junction Box 4-Port

Promax SQ-1 Crank Arm Set - 140mm Square Taper JIS Spindle Interface 110mm BCD Red CheckoutTitle=RockShox Rear Shock Damper Body - Bearing Eyelet Chainline/Hub Compatibility 135/142 MTB HubsPromax SQ 1 Crank Arm Set 140mm Square Taper JIS Spindle Interface 110mm BCD Red. 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