Ergotec Swell-RE 70 i | 31.8 Ahead Stem – Your Control, Your Style, Your Line

Do you want maximum control, sporty design, and absolute safety on your E-MTB, SUV, or Cross-Country bike? Then the Ergotec Swell-RE 70 i is just the right choice for you! This angle-adjustable Ahead stem not only offers top performance but also a clear look.

With Safety Level 6, you are not only stylish but also maximally safe while riding – even on fast E-bikes up to 45 km/h (S-Pedelecs).

Your Benefits at a Glance

• ✅ Suitable for E-bikes & S-Pedelecs thanks to Safety Level 6 – the highest safety level from Ergotec
• ✅ Angle Adjustable: Perfect ergonomics with an adjustment range of -20° to +40°
• ✅ Integrated Cable Routing: Clean look, more protection for your cables
• ✅ Sit Relaxed: Due to the design of the stem, you sit more upright – relieving your neck and shoulders and providing better visibility in traffic
• ✅ Extremely Durable: For a system weight (bike + rider + luggage) of up to 140 kg
• ✅ Top Material: Robust, 3D-forged aluminum AL 6061 T6 – durable and stable
• ✅ Ergonomic Height & Length Gain: For your perfect sitting and riding position
• ✅ Sporty Design: Sandblasted black surface – robust & modern

Technical Features

• Handlebar Clamp: 31.8 mm
• Fork Clamp (Shaft): 28.6 mm (1 1/8 inches)
• Extension (Length): 75 mm or 95 mm
• Clamp Height: 38 mm
• Angle Adjustment: -20° to +40°
• Effective Height Gain:
  15 / 35 / 75 mm (with 75 mm extension)
  10 / 35 / 90 mm (with 95 mm extension)
• Effective Length Gain:
  70 / 75 / 60 mm (with 75 mm extension)
  90 / 95 / 75 mm (with 95 mm extension)
• Material: Aluminum AL 6061 T6, 3D-forged
• Surface: Black, sandblasted
• Weight: approx. 350 g (75 mm) / approx. 365 g (95 mm)
• Safety Level: 6 (also approved for S-Pedelecs up to 45 km/h)

Why the Swell-RE 70 i is the Perfect Choice for E-bikes

The Ergotec Swell-RE 70 i is more than just a stem. It is a smart combination of safety, ergonomics, and functionality – developed for modern E-bikes, E-MTBs, and SUV bikes, where performance and durability matter. The integrated cable routing not only protects your cables but also ensures a tidy cockpit look – ideal for anyone who wants to ride sportily without compromising style.

Especially on fast E-bikes (S-Pedelecs up to 45 km/h), the high safety standard pays off. With Safety Level 6, you are on the safe side even on challenging trails and at higher speeds.

Delivery Scope

• 1x Ergotec Swell-RE 70 i Ahead Stem (in selected length)
• Includes cap and screws