Burley Ballz Thru Axle: 12 x 1.75 142-148mm Color-Olive }Shimano EW-SD300 Di2 eTube Wire

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55lb (25kg) maximum load

2-piece crank construction is lightweight and promotes solid pedaling efficiency

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Burley Ballz Thru Axle: 12 x 1.75 142-148mm Color-Olive }Shimano EW-SD300 Di2 eTube WireBurley Ballz Thru Axle: 12 x 1. 75 142 148mm. Burley Coho Axles Enables connection of the Coho XC trailer to bikes with 12mm rear thru axles. Multiple thread pitches and lengths available. Stock thru axles are not able to accommodate any sort of axle mounted hitch system. A Burley Coho Ballz Thru Axle is required for any bike with a 12mm rear thru axle to use the Coho XC. The Burley Ballz Thru Axle is not compatible with all carbon fiber bike frames