Sinus Pronto 8-Speed Safe to use on both

Safe to use on both bicycles and motorcycles

Key Features• 4130 custom-drawn butted chromoly tubing• 1 1/8" fork & steerer tube• Fits 27

Rear Hub: Shimano Nexus internal 3-speed

these calipers are ideal for road bikes requiring a longer drop—perfect for frames with wider tires or added fender clearance

Front Brakes: Tektro dual-pivot caliper with quick release for smooth

Sinus Pronto 8-Speed Safe to use on bothLightweight & Capable Gravel Rim Optimized for 4060mm Tires The Sinus Rim is a light, durable, and tubeless ready gravel rim designed for modern wide tire setups. With a 25mm internal width on 650B and 21mm internal on 700c, it delivers excellent support and stability for aggressive gravel riding. Its asymmetric profile improves spoke tension balance for increased strength and longevity. Specifications Internal Width: 25mm (650B), 21mm (700c)