Surly Ultra New Hub Axle Kit for 120mm Rear Fix/Free Black Saddle Cut Out-No Direct Mount Type Direct Mount

Direct Mount Type Direct Mount SRAM Tooth Count 36 Drivetrain Speeds 11 Drivetrain Speeds 12 Defined Color Black Material Aluminum Ring Position/Type Chain Retaining Single Ring Round or Oval Round Offset 3 Chainline/Hub Compatibility 141/148 Boost Hubs

Di2 Compatible

Micron-sized proprietary hollow core spherical tungsten reduces vibrational friction caused by high torque pedaling

}Planet Bike Grateful Red Taillight - 13 Lumens

99mm Interface DUB Primary Color Black Teeth 50 Drivetrain Spacing Road Pedals Thread 9/16 Chainline 45mm Connectivity ANT+ BT LE Crank Arm Length 165mm BCD Direct Mount SRAM 8 Bolt Speed 12

Surly Ultra New Hub Axle Kit for 120mm Rear Fix/Free Black Saddle Cut Out-No Direct Mount Type Direct MountSurly Ultra New Axle Kits are for upgrading the internals of your existing Surly New hubs or replacing the internals on your Surly Ultra New hubs. Each kit contains an axle two 6901 cartridge bearings two aluminum dust shields two stainless steel cones two stainless steel 6x1mm bolts and two stainless steel bolt washers Axle is quick release and bolt on compatible; bolts included QR is NOT included Compatible with Surly New hubs (upgrade kit) and