Evo E-Tec
E-Tec
E-Tec
E-Tec
E-Tec
Evo

Evo E-Tec

Out of Stock

The Evo E-Tec is a 3D-forged alloy threadless stem built for lightweight responsiveness and durable everyday trail use. Fits 1-1/8" steerers with a 25.4mm handlebar clamp and comes in multiple lengths and angles.

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Available Options

Option Price Availability
EVO, E-Tec, Stem, 28.6mm, 90mm, ±7°, 25.4mm, Black — Out of Stock
EVO, E-Tec, Stem, 28.6mm, 110mm, ±7°, 25.4mm, Black — Out of Stock
EVO, E-Tec, Stem, 28.6mm, 100mm, ±17°, 25.4mm, Black — Out of Stock
EVO, E-Tec, Stem, 28.6mm, 110mm, ±17°, 25.4mm, Black — Out of Stock
EVO, E-Tec, Stem, 28.6mm, 60mm, ±35°, 25.4mm, Black — Out of Stock

Product Details

Overview & Technology

Evo E-Tec is a 3D-forged aluminum threadless stem engineered to balance low weight with high stiffness for mountain and trail bikes. The forging process refines the alloy grain structure and concentrates material where strength matters — around the steerer and bar clamp — delivering an excellent strength-to-weight ratio without excessive bulk. The stem uses heat-treated alloy construction with a clean, hard-black finish and M6 black hardware for corrosion resistance. Faceplate retention is a four-bolt design to distribute clamp load evenly across a classic 25.4mm handlebar diameter, while the steerer clamp fits standard 1-1/8" (28.6mm) steerers for broad compatibility on many MTB and commuter forks.

Key Features & Benefits

Precision engineering, real-world payoff: the 3D forging and careful machining create a stiff steering interface that reduces flex under hard accelerations and technical climbs, improving control and confidence on singletrack. At 161g for the 110mm length, the E-Tec stays light enough for climbers who care about grams without sacrificing durability. • 3D-forged alloy construction — superior strength-to-weight compared with cast designs. • 25.4mm bar clamp — fits classic MTB and many retro/commuter handlebars. • ±7° or ±17° angle options — tune cockpit height and reach for comfort or aggressive positioning.

Fit & Compatibility

The E-Tec stem clamps a standard 1-1/8" (28.6mm) threadless steerer and a 25.4mm handlebar. Available lengths range from 70mm up to 110mm and two angle families (±7° and ±17°) so you can pick the reach and rise that suit your bike geometry. Faceplate uses four M6 bolts for secure clamping. Compatibility notes: this stem is not compatible with modern 31.8mm-diameter handlebars unless you use a precision shim adapter. It also requires a straight 1-1/8" steerer — tapered steerers will need a compatible top-cap or spacer solution. When installing carbon bars, follow the bar maker’s torque recommendations and use carbon assembly paste as required.

Who It's For

The Evo E-Tec is ideal for mountain and trail riders who want an affordable, lightweight stem with real-world strength. It’s a great upgrade for riders using older 25.4mm handlebars, cyclists refreshing a commuter or hardtail build, and anyone who values precise steering without paying boutique carbon prices. Choose shorter lengths (70–90mm) for flickable handling and tighter steering response; longer options (100–110mm) favor stretched, aerodynamic positions and greater high-speed stability. Angle options let you tune the bar height for everything from aggressive trail attacks to comfortable all-day rides.

Key Features

  • ✓ 3D-forged aluminum construction for excellent strength-to-weight
  • ✓ Fits 1-1/8" (28.6mm) steerers — classic threadless compatibility
  • ✓ 25.4mm handlebar clamp — ideal for classic MTB and commuter bars
  • ✓ Available lengths 70–110mm and ±7° / ±17° angle options
  • ✓ Four-bolt faceplate with M6 black hardware for secure clamping
  • ✓ Lightweight: 161g for the 110mm length — scales with shorter sizes
  • ✓ Hard-black finish resists corrosion and blends with modern cockpits

Specifications

Handlebar Diameter 25.4mm
Primary Color Black
Steerer Tube 1-1/8''
Stem Angle ±7°
Face Plate Bolts 4
Stem Length 90mm
Stem Material Aluminum
Stem Weight 161g (110mm)

Product Identifiers

Vendor Item # AS-009-7-25.4-90
UPC 770612310803

Frequently Asked Questions

What weights can I expect for different lengths?

Evo lists 161g for the 110mm version. Shorter lengths (70mm–100mm) will be lighter — typically decreasing by a few grams per 10mm reduction. If absolute grams matter, choose the shortest length that suits your handling needs.

What torque should I use for the stem bolts?

Recommended clamping torque typically sits around 5–8 Nm for steerer clamp bolts and 5–6 Nm for the faceplate on alloy handlebars. If fitting carbon bars, follow the bar manufacturer's lower torque spec (often 4–5 Nm) and use carbon assembly paste. Always tighten incrementally and use a torque wrench.

Can I use this stem with a 31.8mm handlebar?

Not directly. The E-Tec is a 25.4mm clamp stem. If you want to use 31.8mm bars you must fit a precision shim adapter designed for stem-to-bar conversion. For the most secure fit, we usually recommend using a stem that matches the bar clamp diameter.

Is the E-Tec suitable for enduro or aggressive riding?

The 3D-forged alloy construction gives the E-Tec good stiffness and durability for trail and many aggressive riding styles, but for high-impact enduro or gravity use you may prefer a longer-throw, gravity-specific stem with proven testing for those stresses. The E-Tec is best categorized as a lightweight trail XC-to-all-mountain option.

Can I install this stem on a tapered steerer?

This stem clamps a straight 1-1/8" steerer. If your fork is tapered (1 1/8" to 1.5"), you can still use this stem provided your headset and top-cap are set up to present a 1-1/8" section for the stem to clamp. Many modern tapered setups use a shim or a specific crown/top-cap spacer to provide that flat 1-1/8" clamping surface.

Buying Guide

Choosing a stem is about balancing reach, control and comfort. Shorter stems (70–90mm) deliver quicker handling and are popular on tight, technical trails; longer stems (100–110mm) provide a more stretched position suited to faster climbs and steady high-speed tracking. Angle options (±7° and ±17°) let you raise or lower the handlebar without changing spacers or headset height. Also match clamp diameter first — the E-Tec uses a 25.4mm clamp, a common size on older and many budget mountain bars. If your bars are 31.8mm, plan for an adapter or choose a 31.8mm stem. Finally, consider weight versus durability — the E-Tec’s forged alloy offers a great middle ground for riders who want performance without premium carbon cost.

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