Rennen Ultralight Stem

Introducing the Rennen Ultralight Stem, an engineering masterpiece designed for performance and adaptability. We aimed to create the lightest mini stem in the world and exceeded expectations with an adjustable feature that grows alongside your rider.

Key Features:

• Unmatched Lightweight Design: The 25mm option weighs an astonishing 40g, making it the lightest mini stem available.
• Adjustable Functionality: Features an interchangeable insert system that allows the stem to adapt as your rider grows.
• Multiple Size Options: Available in three sizes: 25mm, 27.5mm, and 30mm. Additional inserts can be purchased separately for further customization.
• Premium Materials: Crafted from 7075-T6 Aluminum, ensuring durability and strength without the weight.
• Innovative Fastening: Comes with custom-made 6AL-4V titanium screws featuring a unique ball socket interface for optimal clamping at any angle.
• Weight Limit: Engineered for optimal performance with a recommended weight limit of 80 lbs for safety.

The Rennen Ultralight Stem is perfect for young cyclists seeking performance without compromising on safety or adjustability. Elevate your riding experience with this cutting-edge design!