The Tune Geiles Teil 4.0 stem in an 85 mm length is a true classic among high-end stems - now even better! The redesigned clamp with four titanium bolts distributes clamping force evenly and protects sensitive carbon handlebars optimally. Perfect for road bikes, gravel, and XC use.
Made from high-quality 7075-T6 aluminum and precision CNC-machined, the stem combines high stiffness with a low weight of only approx. 115 g (85 mm). The tapered design follows the force flow precisely - for optimal stability and direct steering precision. Compatible with all 1 1/8" steerer tubes and 31.8 mm handlebars.
Functional advantages:
- Improved 4-bolt clamp: Gentle and secure - also ideal for lightweight carbon handlebars
- Tapered design: Maximum stiffness with minimal weight
- CNC manufacturing & titanium hardware: Precise workmanship & premium materials for the highest standards
Technical details:
- Material: 7075-T6 aluminum, titanium bolts (M5)
- Color: Black
- Length: 85 mm
- Handlebar clamp: 31.8 mm
- Steerer tube size: 1 1/8"
- Angle: ±8°
- Stack height: 40 mm
- Weight: approx. 115 g
- Maximum rider weight: 100 kg
- Intended use: Road bike, gravel, MTB-XC
Scope of delivery:
- 1x Tune Geiles Teil 4.0 stem 85 mm black
- Note: Workshop packaging (without outer packaging)
Manufacturer's article number: BSP4318 | EAN: 4062266021188
For everyone who values maximum control and uncompromising design.
SKU: L0B1
Tune Geiles Teil 4.0 Oversize stem 85 mm length 31.8 mm handlebar clamp black
The Tune Geiles Teil 4.0 stem in an 85 mm length is a true classic among high-end stems - now even better! The redesigned clamp with four titanium bolts distributes clamping force evenly and protects sensitive carbon handlebars optimally. Perfect for road bikes, gravel, and XC use.
Made from high-quality 7075-T6 aluminum and precision CNC-machined, the stem combines high stiffness with a low weight of only approx. 115 g (85 mm). The tapered design follows the force flow precisely - for optimal stability and direct steering precision. Compatible with all 1 1/8" steerer tubes and 31.8 mm handlebars.
Functional advantages:
- Improved 4-bolt clamp: Gentle and secure - also ideal for lightweight carbon handlebars
- Tapered design: Maximum stiffness with minimal weight
- CNC manufacturing & titanium hardware: Precise workmanship & premium materials for the highest standards
Technical details:
- Material: 7075-T6 aluminum, titanium bolts (M5)
- Color: Black
- Length: 85 mm
- Handlebar clamp: 31.8 mm
- Steerer tube size: 1 1/8"
- Angle: ±8°
- Stack height: 40 mm
- Weight: approx. 115 g
- Maximum rider weight: 100 kg
- Intended use: Road bike, gravel, MTB-XC
Scope of delivery:
- 1x Tune Geiles Teil 4.0 stem 85 mm black
- Note: Workshop packaging (without outer packaging)
Manufacturer's article number: BSP4318 | EAN: 4062266021188
For everyone who values maximum control and uncompromising design.
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Tune GmbH is a German manufacturer of bicycle components known for lightweight, high-quality parts with a strong focus on precision and performance. The company produces hubs, wheelsets, seatposts, stems, saddles, and other premium components for riders who value efficient and reliable equipment.
Im Mittelfeld 18
79426 Buggingen
Baden-Württemberg
Germany E-Mail: info@tune.de Telefon: +49 7631 7480730 Website: https://www.tune.de/