DELTA TD1700S Alloy High Rise Bicycle Stem Threadless Bar 799403112808 45 1/8 25.4MM

( Brand: Delta ), ( Manufacturer Part Number: TD1700S ), ( Model: DELTA TD1700S ), ( Part Type: Bicycle Stem Bar ), ( Stem Type: Threadless ), ( Clamp Diameter: 25.4 Mm ), ( Set Includes: Stem ), ( Material: Aluminum ), ( Item Length: 80 Mm ), ( Steerer Tube Diameter: 1 1/8 In ), ( Item Weight: 100-199 G ), ( UPC: 799403112808 )

Review DELTA Alloy High rise Bicycle Stem 45 Degree 1/8 Inch Threadless 25.4mm Bar

The **Delta TD1700S Alloy High-Rise Bicycle Stem** is a premium, performance-driven component designed to elevate both the aesthetics and functionality of your bicycle setup. Crafted from high-quality **6061 aluminum alloy**, this stem delivers an optimal balance of strength, durability, and lightweight efficiency, making it an ideal choice for riders seeking a blend of robustness and agility. The **high-rise design** with a **45mm rise** positions the handlebars at an elevated angle, promoting a more upright riding posture that reduces strain on the neck, shoulders, and wrists, particularly beneficial for long-distance touring, commuting, or casual riding. This ergonomic positioning enhances comfort while maintaining precise control, allowing for a more natural and relaxed grip on the bars.

Featuring a **threadless interface**, the TD1700S ensures a seamless and secure fit with modern fork steerer tubes, eliminating the need for traditional clamp-style stems. The **80mm width** accommodates a variety of handlebar configurations, from standard drop bars to flat bars, making it versatile for a range of bicycle types, including road bikes, hybrid bikes, and even some gravel or adventure-oriented setups. The **1/8" threadless steerer tube compatibility** (25.4mm) ensures compatibility with a broad spectrum of forks, including those with standard or slightly oversized diameters, though it s important to verify fork specifications for an exact fit.

The stem s **smooth, polished finish** not only enhances its visual appeal but also reduces the risk of snagging on clothing or debris during rides. Delta s attention to detail extends to the **precision-machined surfaces**, which contribute to a snug, wobble-free installation, ensuring stability and confidence in your ride. Whether you re navigating urban streets, tackling light off-road trails, or simply enjoying a leisurely ride, the TD1700S stem provides a sturdy foundation that complements the performance of your bicycle without compromising on style or functionality. Its robust construction and thoughtful design make it a standout choice for riders who demand both reliability and a touch of sophistication in their cycling gear.

**Pros and Cons of buying a Delta TD1700S Alloy High-Rise Bicycle Stem (80/45, 1/8" Threadless, 25.4mm Bar)**

### **Pros**

1. **High-Rise Design** The high-rise stem provides a more aggressive, forward-leaning riding position, which can improve aerodynamics and control for road cycling, time trials, or aggressive riding styles. This is particularly useful for riders who prefer a more aggressive posture without sacrificing stability.

2. **Alloy Construction** Made from aluminum or an aluminum alloy, this stem is lightweight compared to steel stems, reducing overall bike weight. This can improve handling and climbing efficiency, especially for riders who prioritize speed and agility.

3. **Threadless Interface** The 1/8" threadless design is compatible with modern threadless forks and headsets, offering a secure and adjustable fit. Threadless stems are generally easier to install and remove, and they allow for better alignment with the fork steerer tube.

4. **Adjustable Reach (80/45mm)** The dual-length design (80mm and 45mm) provides flexibility for riders who need to fine-tune their reach. This can help achieve a more comfortable or performance-oriented position without requiring a full stem swap.

5. **25.4mm Bar Compatibility** The stem is designed for a standard 25.4mm (1") bar clamp, making it widely compatible with most road and endurance bikes. This ensures a broad range of use cases, from commuting to racing.

6. **Durability** Alloy stems are generally robust enough for regular use, though they may not be as durable as steel stems in extreme conditions (e.g., heavy impacts or off-road riding). For road cycling, however, they offer a good balance of strength and weight.

7. **Cost-Effective** Compared to carbon fiber stems, this alloy stem is more affordable, making it a practical choice for riders who want performance without breaking the bank.

8. **Easy Installation** Threadless stems are straightforward to install with basic tools (Allen keys and a fork spreader), and the high-rise design doesn t require complex adjustments like some flat-bar stems might.

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### **Cons**

1. **Weight Sensitivity** While alloy stems are lighter than steel, they are heavier than carbon fiber stems. For competitive racers or ultra-lightweight setups, the extra weight may be noticeable, especially in climbs or sprints.

2. **Less Vibration Damping** Alloy does not dampen vibrations as effectively as steel, which can lead to more fatigue over long rides. Riders sensitive to road vibrations may find this less comfortable than a steel stem.

3. **Potential for Warping** Alloy stems can warp over time if subjected to excessive force or impacts, particularly if the bike is involved in a crash. This can affect the fit and handling of the stem.

4. **Limited Customization** Unlike carbon stems, alloy stems are not as customizable in terms of color or aesthetic finishes. The look is more utilitarian and less visually appealing for riders who prioritize style.

5. **Compatibility Issues** While 25.4mm compatibility is standard, some modern bikes (especially those with wider bars or unique geometries) may require additional spacers or adjustments to achieve the perfect fit.

6. **Not Ideal for Flat-Bar Use** This stem is designed for drop bars, not flat bars. Attempting to use it on a hybrid or mountain bike with flat bars would be impractical and unsafe.

7. **Potential for Looseness Over Time** Threadless stems can develop slight looseness in the clamp over time due to wear or improper tightening. Regular checks are necessary to ensure safety.

8. **Less Aggressive Adjustments** The fixed 80/45mm lengths may not suit riders with very specific reach requirements. Those needing extreme adjustments might need to pair it with spacers or a different stem entirely.

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### **Ending Conclusion**

The Delta TD1700S alloy high-rise stem is a solid, mid-range option for road cyclists who prioritize performance, adjustability, and affordability. Its high-rise design caters to riders who want a more aggressive position without the cost of carbon fiber, while the alloy construction strikes a balance between weight and durability. It is well-suited for commuting, fitness riding, and light racing but may not meet the needs of ultra-competitive racers or riders seeking maximum vibration damping.

For most casual to intermediate riders, this stem offers a practical upgrade over basic stems, improving handling and comfort without significant expense. However, those who prioritize minimal weight, superior vibration control, or extreme customization may find higher-end carbon stems or steel stems more appealing.

---

### **Recommendation**

- You ride a drop-bar road bike and want a more aggressive, performance-oriented position.

- You prefer an alloy stem for its lightweight and durable characteristics without the cost of carbon.

- You need an adjustable reach (80/45mm) to fine-tune your fit.

- You are on a budget but still want a quality stem that enhances your riding experience.

- You are a competitive racer or climber who prioritizes every gram of weight savings and would benefit from a carbon stem.

- You are sensitive to road vibrations and would prefer the damping properties of a steel stem.

- You require extreme reach adjustments beyond what the 80/45mm lengths provide.

- You plan to use it on a flat-bar bike or in off-road conditions where durability is a greater concern.

- For lighter weight: Look into carbon fiber stems like the **FSA Spine or ISM Carbon stems**.

- For better vibration damping: Consider a **steel stem** like the **Delta TD1700S Steel** or **FSA Spine Steel**.

- For more adjustability: Pair this stem with **spacers** or explore stems with additional length options (e.g., 70/50mm or 90/50mm).

Details:

Color: silver. Listing Details. Part number: TD1700S. Steerer size: 1/8 in / 28.6mm.

Good condition. Where is 156 g. Type: alloy high-rise threadless stem. length : 80mm.

Brand: Delta.

part #: td1700s prices

• $24.98-$34.50

specifications ribicycl:

• brand: Delta
• mpn: Td1700s
• model: Delta Td1700s
• part type: Bicycle Stem Bar
• stem type: Threadless
• clamp diameter: 25.4 Mm
• set includes: Stem
• material: Aluminum
• item length: 80 Mm
• steerer tube diameter: 1 1/8 In
• item weight: 100-199 G
• upc: 799403112808

seller ribicycl:

• # reviews: 170
• rating: 100.0%
• city: Tucson, Arizona

returns ribicycl:

• policy: Returns Accepted
• method: Money back
• time: 30 Days
• paid by: Seller

general ribicycl:

• Cycling > Bicycle Components Parts > Stems
• condition: Used

payments ribicycl:

• wallet: Google-pay
• credit card: Diners-club
• other

shipping ribicycl:

• type: Fixed
• class: Standard
• transit: 4-10 Days
• service: USPS First Class
• carrier: USPS
• cost: $8.88

offer ribicycl:

• options: Ship-to-home
• quantity: 1
• sold: 0
• availability: In Stock
• started: March 8, 2026

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