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Surly Thru Axle

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Surly Thru-Axles are low-profile, bolted Thru-Axles are specifically designed for use with Surly thru-axle compatible frames. Offered in several sizes, for both front and rear wheels.

12x142 Rear Thru Axle:
- Fits: Midnight Special and MDS Dropout bikes including Instigator, Legacy Karate Monkey & Legacy Krampus.

12x142/148 Rear Thru Axle:
- Designed for frames with Surly Gnot Boost spacing (145mm), capable of working with 142 or 148mm rear hubs
- Fits: Karate Monkey, Krampus, Troll, Ogre, ECR

12x177 Rear Thru Axle:
- Fits: Wednesday

12x197 Rear Thru Axle:
- Fits: Ice Cream Truck, Big Fat Dummy

12x100 Front Thru Axle:
- Fits: Midnight Special

15x110 Front Thru Axle:
- Fits: Karate Monkey, Krampus

15x150 Front Thru Axle:
- Fits: Wednesday, Ice Cream Truck, Big Fat Dummy

WARNING: This product can expose you to chemicals, including lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to