Ergotec Swell-RE | 31.8 Ahead Stem – Your Upgrade for More Control & Ergonomics

Do you want to ride sportively while not leaving comfort and control to chance? The Ergotec Swell-RE | 31.8 Ahead Stem takes you exactly there – with a robust design, variable angle adjustment, and maximum stability. Whether it's a city cruiser, trekking bike, or E-bike – this stem is ready for everything, even for fast S-Pedelecs up to 45 km/h!

✅ Your Benefits at a Glance:

• For sporty E-bikes & S-Pedelecs: With Safety Level 6 – the highest safety rating from Ergotec
• Angle adjustable: Individually adjustable angle from -20° to +40° – for optimal seating position
• Top material: Made of high-quality AL 6061 T6 aluminum, 3D-forged – lightweight & super stable
• Strong hold: 4-bolt handlebar clamp for absolute rigidity & torsional stiffness
• Versatile usage: Perfect for sporty tours, E-bike commuters, or everyday cyclists
• Oversized clamp: 31.8 mm – suitable for most modern handlebars
• Durable & stylish: Black, shot-peened – looks sporty and lasts forever
• Comfort through ergonomics: Effective height and length gain for ideal handlebar position

Technical Data Overview

• Handlebar clamp: 31.8 mm
• Fork clamp (steerer diameter): 28.6 mm / 1 1/8 inch
• Extension (length): 80 mm or 100 mm
• Clamp height: 45 mm
• Angle adjustment: -20° to +40°
• Effective height gain:
  -25 / 0 / +40 mm (at 80 mm extension)
  -30 / 0 / +55 mm (at 100 mm extension)
• Effective length gain:
  70 / 80 / 65 mm (at 80 mm extension)
  90 / 100 / 80 mm (at 100 mm extension)
• Material: Aluminum AL 6061 T6, 3D-forged
• Surface: Black, shot-peened
• Weight: approx. 280 g (80 mm) / approx. 295 g (100 mm)
• Safety Level: 6 (suitable for S-Pedelecs up to 45 km/h)

Why Safety Level 6?

Safety Level 6 from Ergotec stands for maximum load capacity – specially developed for the high forces exerted by E-bikes and fast S-Pedelecs up to 45 km/h. All components with this safety level have been tested according to the strictest testing standards. For you, this means uncompromising safety at full performance.

Delivery contents:

1x Ergotec Swell-RE | 31.8 Ahead Stem (in chosen length)