BONTRAGER 100MM-17 Race Lite Threadless Stem 100MM/17 25.4MM 1/8

( Brand: Bontrager ), ( Manufacturer Part Number: 100MM/17 ), ( Part Type: Stem ), ( Color: Black, Silver, Red ), ( Stem Type: Threadless ), ( Material: Aluminum ), ( Item Length: 100 Mm ), ( Steerer Tube Diameter: 1 1/8 In ), ( Clamp Diameter: 25.4 Mm ), ( Compatible Bike Type: Universal ), ( Item Weight: Less Than 1000 G )

Review BONTRAGER 100mm/17 Race Lite Threadless Stem 100mm 25.4mm 1/8 Black

The **Bontrager 100mm/17 Race Lite Threadless Stem** is a high-performance, lightweight cycling stem designed for competitive road cyclists and serious riders seeking precision, aerodynamics, and durability in their setup. Crafted from Bontrager s signature **Race Lite** material a proprietary blend of carbon fiber and other advanced composites this stem delivers an optimal balance of stiffness, weight savings, and structural integrity, ensuring minimal flex and maximum power transfer from the handlebars to the bike s frame. With a **100mm length** and **17-degree rise**, this stem is engineered to optimize rider positioning for efficiency, reducing drag while maintaining a comfortable, aggressive aero profile ideal for time trials, group rides, and competitive racing. The **threadless design** allows for seamless integration with modern road bike forks, offering a clean, streamlined look and the flexibility to adjust handlebar height and reach without the bulk of traditional quill stems. The **25.4mm (1-inch) clamp diameter** ensures compatibility with a wide range of handlebars, while the **1/8-inch bolt pattern** provides secure, vibration-dampening attachment, reducing fatigue during long rides. Weighing significantly less than traditional aluminum stems, the Race Lite stem minimizes rotational mass, allowing for quicker handling and improved responsiveness critical advantages for riders pushing their limits. Whether paired with aero bars for a triathlon setup or drop bars for road racing, this stem s aerodynamic contours and sleek profile help slice through the air, contributing to faster speeds and reduced wind resistance. Built to withstand the rigors of high-performance cycling, it features reinforced carbon webbing and precision-engineered layers to handle the stresses of aggressive cornering, hard braking, and repeated impacts, ensuring longevity even under intense conditions. The Bontrager Race Lite Stem is not just an accessory; it s a performance-enhancing component that elevates the entire riding experience, making it a standout choice for riders who demand the best in speed, comfort, and reliability.

### **Pros and Cons of the Bontrager 100mm/17 Race Lite Threadless Stem**

1. **Lightweight Construction** The stem is made from carbon fiber, which significantly reduces weight compared to aluminum or steel stems. This is beneficial for climbers and racers looking to improve pedal efficiency.

2. **High Strength-to-Weight Ratio** Despite its lightweight nature, the carbon fiber design maintains rigidity, reducing flex that could affect handling and steering precision.

3. **Aerodynamic Shape** The sleek, tapered design helps reduce drag, which can be advantageous for time trialists and high-speed racers.

4. **Compatibility with 1/8" Threadless Forks** The 25.4mm (1/8") threadless interface is standard on many modern road and gravel bikes, ensuring a secure fit.

5. **Adjustable Reach** The 100mm length provides a moderate reach, suitable for riders with average or slightly longer arms, though exact fit may vary based on fork offset and rider preference.

6. **Durability** Carbon fiber is resistant to corrosion and fatigue, making it a long-lasting option if properly maintained.

7. **Compatibility with Drop Bars** The stem is designed for drop bar setups, which are common in road and endurance bikes.

8. **Minimalist Design** The clean, unobtrusive shape reduces the risk of snagging on terrain or clothing.

1. **Higher Cost** Carbon fiber stems are more expensive than aluminum or steel alternatives, which may be a barrier for budget-conscious buyers.

2. **Limited Adjustability** Unlike some stems with adjustable clamps, this is a fixed-length stem. Riders with extreme reach preferences may need to experiment with fork offsets or handlebar width.

3. **Potential for Overkill** For casual riders or those on budget bikes, the weight savings may not be noticeable enough to justify the cost.

4. **Installation Complexity** Threadless stems require proper torque specifications to avoid stripping the threads or damaging the fork. Improper installation can lead to safety issues.

5. **Less Common in Entry-Level Bikes** Some budget bikes come with simpler, less expensive stems, so this may not be the best upgrade for all setups.

6. **Aesthetic Preference** Some riders prefer the look of aluminum or steel stems, which may be more visually appealing or better suited for certain bike styles (e.g., retro or gravel bikes with mixed materials).

7. **Potential for Vibration Transfer** While carbon fiber reduces weight, it can sometimes transmit more road vibrations to the hands compared to damped aluminum stems, which may be less comfortable for some riders.

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### **Conclusion and Recommendation**

The **Bontrager 100mm/17 Race Lite Threadless Stem** is an excellent choice for riders who prioritize weight savings, stiffness, and aerodynamics without sacrificing durability. It is particularly well-suited for:

- **Racers or time trialists** looking to shave grams and improve aerodynamics.

- **Climbers** who benefit from reduced rotational mass and a more responsive setup.

- **Riders upgrading from heavier stems** (e.g., aluminum) to enhance performance.

- **Casual or budget-conscious riders** who don t need the performance benefits.

- **Riders who prefer the look or feel of metal stems** (e.g., aluminum for vibration damping).

- **Those with extreme reach requirements** who may need a shorter or longer stem.

If you are building a high-performance road bike, upgrading an existing setup for better handling, or prioritize weight and stiffness, the **Bontrager Race Lite stem is a strong choice**. Pair it with a well-fitted fork and handlebar to ensure optimal comfort and performance. For riders on a tighter budget or those who don t need carbon s advantages, an aluminum stem (e.g., Bontrager Speed or similar) may offer a more balanced option. Always ensure proper installation and torque the stem securely to avoid safety risks.

Details:

Bontrager Race Lite Threadless Stem 100mm 17 25.4mm 1/8 Black.

part #: 100mm17 prices

• $32.35-$99.43

specifications ribicycl:

• brand: Bontrager
• mpn: 100mm/17
• part type: Stem
• color: Black, Silver, Red
• stem type: Threadless
• material: Aluminum
• item length: 100 Mm
• steerer tube diameter: 1 1/8 In
• clamp diameter: 25.4 Mm
• compatible bike type: Universal
• item weight: Less Than 1000 G

general ribicycl:

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

shipping ribicycl:

• transit: 3-10 Days
• cost: $5.97
• service: USPS Ground Advantage
• class: Standard
• type: Calculated
• carrier: USPS

seller ribicycl:

• # reviews: 316
• city: Charlotte, North Carolina
• rating: 0.0%

returns ribicycl:

• policy: No Returns

offer ribicycl:

• sold: 0
• best offers: True
• options: Ship-to-home
• started: May 20, 2026
• availability: In Stock
• quantity: 1

payments ribicycl:

• other
• credit card: Discover
• wallet: Paypal

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