Nano Boost – The New Benchmark for Lightweight and Robust MTB Hubs at Tune 346g – this is the new benchmark for lightweight and stable MTB hubs at Tune. Nano Boost not only offers a new Straight Pull design but also additional useful innovations that make it even easier for you to achieve top performance with this hub set. More engagement points, no more shims, a more dynamic design – all of this makes Nano Boost an absolute performance product for your MTB. But that's not all: New axle: The use of shims is no longer necessary. Conical design and Straight Pull flanges: Give the hub set a dynamic and modern look. Improved seals: Increase the weather resistance of the hub. Newly designed freewheel system: Standard with 138 engagement points. New heat-treated steel pawls: Improve the durability of the freewheel system. Optional bearings: Enduro Bearings ABEC-5 steel bearings or Enduro Bearings XD-15 ceramic bearings with a lifetime warranty. Do you prefer Straight Pull over J-Bend and want to look even better on the trails? Then Nano Boost is the right choice for your MTB. And as always: This hub set is handmade in Buggingen, Germany. Technical data weight from: 125gcolours: 3 different: black, silver, redBrake interface: 6-bolt disc brake only Max. Spoke tension: 1100N Max. rider weight: 120kg Max. system weight: 130kg scope of delivery: hub with the packagingaxle standard: 15mm x 110mmWarranty: 10 years on the hubshell, endcaps and axle. Lifetime on the XD-15 ceramic bearings. Wear parts are not covered.notes: Spoke length calculatorfor more information please refer to the user manual