Micro – Lightweight Performance for Road and Gravel Fast road rides, gravel adventures, after-work laps or town sign sprints? Micro is built to bring lightweight Tune performance to every ride. Micro is our versatile hub set for riders who want low weight, reliable performance and a clean, modern design. Handmade in Buggingen, Germany, it combines the proven strength of classic J-Bend flanges with a completely new hub architecture developed for today’s road and gravel bikes. At only 349g (+/- 3%, for the set), Micro is extremely light, but still built with everyday reliability in mind. The J-Bend flange design makes wheel building straightforward, robust and service-friendly, while the conical hubshell gives the hub set a dynamic and refined look. Micro may look simple at first glance, but it is a completely new design with several meaningful improvements. Every detail was developed to make the hub lighter, cleaner, more durable and easier to work with. Highlights include: Lightweight road and gravel hub set handmade in Germany. Classic J-Bend flanges for strong, proven and service-friendly wheel builds. New axle design: no shims required. Conical hubshell design for a modern, dynamic appearance. Improved seals for better weather resistance. Newly designed freewheel system with 69 engagement points. Optional upgrade to 138 engagement points with three additional pawls. Heat-treated steel pawls for improved freewheel durability. Optional bearings: Enduro Bearings ABEC-5 steel bearings or Enduro Bearings XD-15 ceramic bearings with lifetime warranty. Whether you are building a lightweight road wheelset, a reliable gravel setup or a fast all-road bike, Micro delivers the right balance of low weight, durability and Tune precision. Light, strong and handmade in Germany — a hub set made for riders who expect more from every kilometre. Technical data Weight from: 226g Colours: 3 different: black, silver, red Brake interface: Centerlock disc brake only Max. spoke tension: 1100N Max. rider weight: 120kg Max. system weight: 130kg Scope of delivery: hub with packaging Axle standard: 12mm x 142mm Warranty: 10 years on the hubshell, endcaps and axle. Lifetime warranty on XD-15 ceramic bearings. Wear parts are not covered. E-bike ready: yes Notes: Spoke length calculator For more information please refer to the user manual