Truvativ Descendant
Descendant
Descendant
Descendant
Descendant
Truvativ

Truvativ Descendant

$75.00
In Stock

The Truvativ Descendant is a 3D-forged 7050 aluminum stem with CNC lightening for a high-strength, lightweight package. Available in 31.8mm and 35mm clamp sizes and short lengths for aggressive handling.

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Available Options

Option Price Availability
Truvativ, Descendent, Stem, Clamp: 31.8mm, L: 40mm, 0°, Dia: 28.6mm $75.00 In Stock
Truvativ, Descendent, Stem, Clamp: 31.8mm, L: 50mm, 0°, Dia: 28.6mm $75.00 In Stock
Truvativ, Descendent, Stem, Clamp: 31.8mm, L: 60mm, 0°, Dia: 28.6mm $75.00 In Stock
Truvativ, Descendant, Stem, Clamp: 35mm , L: 40mm, Steerer: 28.6mm, 0°, Black $75.00 In Stock
Truvativ, Descendant, Stem, Clamp: 35mm , L: 50mm, Steerer: 28.6mm, 0°, Black $75.00 In Stock
Truvativ, Descendant, Stem, Clamp: 35mm , L: 60mm, Steerer: 28.6mm, 0°, Black $75.00 In Stock
Truvativ, Descendant, Stem, Diameter: 35mm, Length: 40mm, Steerer: 1-1/8'', 0°, Black $75.00 In Stock
Truvativ, Descendant, Stem, Diameter: 35mm, Length: 50mm, Steerer: 1-1/8'', 0°, Black $75.00 In Stock
Truvativ, Descendant, Stem, Diameter: 35mm, Length: 60mm, Steerer: 1-1/8'', 0°, Black $75.00 In Stock

Product Details

Truvativ Descendant Overview & Technology

Built from 3D-forged 7050 aluminum, the Descendant stem combines gravity-grade strength with smart material removal to keep weight down. Truvativ forges the blank in high-strength 7050 alloy, then CNC-machines relief pockets to trim grams without compromising structural integrity — the result is a dependable stem that still tips the scales at just 149g (40mm, 31.8mm clamp). Real-world benefits include improved steering precision and impact resistance under aggressive riding loads. The Descendant’s four-bolt faceplate and two-bolt steerer clamp layout distributes clamping forces evenly for secure bar retention and predictable performance on technical lines.

Key Features & Benefits

Purpose-built details: 0° angle and short lengths (40/50/60mm) keep the cockpit compact for quicker steering and better front-end feedback — ideal for enduro and aggressive trail use. The CNC-machined cutaways reduce rotating mass while retaining crucial cross-sectional stiffness where it matters. • Material: 7050 aluminum — high strength-to-weight ratio for demanding trail use. • Construction: 3D forging plus CNC machining for fatigue resistance and optimized weight. • Clamping: Four-bolt handlebar faceplate and two-bolt steerer clamp for even bite and secure fit. • Variants: Available in 31.8mm and 35mm bar clamps and multiple lengths to tune fit and handling.

Fit, Compatibility & Installation

The Descendant ships in sizes to suit both modern trail bikes and gravity rigs: handlebar clamp diameters of 31.8mm and 35mm, with steerer tube compatibility for standard 1-1/8" (28.6mm) forks. Choose 40–60mm lengths depending on desired reach and handling responsiveness. Installation is straightforward: center the stem on the steerer, align the bars, and torque bolts to the manufacturer's specifications using a calibrated torque wrench. The four-bolt faceplate gives secure clamping across carbon and alloy bars — always inspect mating surfaces, apply carbon assembly paste where appropriate, and re-check torque after first rides.

Who It's For

The Descendant is aimed at enduro and aggressive trail riders who want a low-weight, high-strength stem that supports precise steering and confident control. Short lengths and a neutral 0° angle make it especially suited to riders who prefer a snappy front-end feel for technical descents and tight switchbacks. If you ride fast, charge technical lines, or run a stiffer cockpit for better feedback — but still care about grams — the Descendant strikes a solid balance between durability and weight savings.

Key Features

  • ✓ 3D-forged 7050 aluminum for superior strength-to-weight performance
  • ✓ CNC-machined lightening pockets reduce weight without sacrificing stiffness
  • ✓ Four-bolt faceplate ensures even clamping across carbon and alloy bars
  • ✓ Two-bolt steerer clamp for secure, interference-free mounting
  • ✓ Available in 31.8mm and 35mm bar clamp diameters for modern bars
  • ✓ 0° stem angle and short lengths (40–60mm) for quick, precise handling
  • ✓ Lightweight 149g (40mm, 31.8mm) balances agility and durability
  • ✓ SRAM Model ID ST-DESC-5-B1; Manufacturer Part #: 00.6518.018.000

Specifications

Handlebar Diameter 31.8mm
Primary Color Black
Steerer Tube 1-1/8''
Stem Angle 0°
Face Plate Bolts 4
Stem Length 40mm
Stem Material Aluminum
Stem Weight 149g

Product Identifiers

Vendor Item # 00.6518.018.000
UPC 710845785092

Frequently Asked Questions

What materials and construction does the Descendant use?

The Descendant is 3D-forged from 7050 aluminum — a high-strength alloy commonly used in performance components — then CNC-machined to remove excess material and reduce weight while maintaining structural integrity.

Which handlebar and steerer sizes fit this stem?

Variants are available for 31.8mm and 35mm handlebar clamps and are designed for a standard 1-1/8" (28.6mm) steerer tube. Choose the clamp diameter that matches your bar and the length that suits your desired reach.

Is this stem suitable for carbon handlebars?

Yes — the four-bolt faceplate gives broad, even clamping, which is compatible with both alloy and carbon bars. Use a torque wrench, follow manufacturer torque specs, and apply carbon assembly paste when recommended to prevent slippage without over-tightening.

What torque should I use on the faceplate and steerer bolts?

Always follow Truvativ/SRAM torque specifications and use a calibrated torque wrench. As a general guideline many stems use around 5–6 Nm for faceplate bolts; check the included documentation or the manufacturer's website for exact values.

Which length should I choose — 40mm, 50mm, or 60mm?

Shorter lengths (40mm) produce quicker steering and a more compact cockpit favored by downhill and enduro riders. 50–60mm lengths increase leverage and reach, better for riders seeking a more stretched position or added stability at speed. Base your choice on bike geometry and riding style.

How much does the Descendant weigh?

The listed weight for the 40mm, 31.8mm clamp version is approximately 149g. Weight varies slightly with clamp diameter and length.

Buying Guide

When choosing a stem, match clamp diameter to your handlebars (31.8mm or 35mm) and the steerer size to your fork (standard 1-1/8" for the Descendant). Decide on length based on desired handling: shorter stems quicken steering and center weight over the front wheel, while longer stems add stability and reach. Material and construction affect both weight and durability. 3D-forged 7050 aluminum offers a strong, fatigue-resistant option for gravity-oriented riding, and CNC machining lets manufacturers remove unnecessary material to save grams without sacrificing performance. Finally, use a torque wrench and follow the manufacturer's instructions for safe, reliable installation.

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