GIANT 180000308 Contact Slr Road Aero Handlebars Internal Routing 40CM 31.8

( Brand: Giant ), ( Manufacturer Part Number: 180000308 ), ( Part Type: Internal Contact ), ( Compatible Brand: For Giant ), ( Handlebar Type: Drop Bar ), ( Color: Black ), ( Clamp Diameter: 31.8 Mm ), ( Compatible Bike Type: Road Bike ), ( Set Includes: Handlebar ), ( Material: Carbon )

Review GIANT Contact Slr Road Drop Aero Handlebars Internal Routing 40cm 31.8

The **Giant 180000308 Contact SLR Road Aero Handlebar** is a high-performance, ergonomically designed component engineered for serious cyclists seeking both aerodynamic efficiency and uncompromising comfort over long distances. This **40-centimeter (31.8-inch) internal-routing model** is crafted from lightweight yet durable materials, featuring a sleek, aerodynamic profile that minimizes wind resistance while maintaining structural integrity. The handlebar s **SLR (Super Lightweight Road) design** incorporates a low-profile, swept-back shape that optimizes hand positioning, reducing strain on the wrists and shoulders during climbs and descents. The **internal cable routing** ensures a clean, streamlined look while protecting the brake and gear cables from external elements, reducing friction and wear over time. Ideal for road racing, endurance rides, and time trials, these handlebars are compatible with a wide range of frame and fork designs, offering versatility without sacrificing performance. The **Giant brand s precision engineering** ensures tight tolerances and a smooth finish, making this an excellent choice for riders who demand both speed and comfort on the road. Whether tackling grueling century rides or competing in criteriums, the **180000308 Contact SLR Road Aero Handlebar** delivers a perfect blend of aerodynamics, ergonomics, and durability.

### **Pros and Cons of the Giant 180000308 Contact SLR Road Aero Handlebar (40cm, 31.8mm Internal Routing)**

1. **Aerodynamic Design** The SLR Road Aero handlebar is engineered for speed and efficiency, reducing wind resistance compared to traditional drop bars. This is particularly beneficial for time trials, group rides, and long-distance cycling where aerodynamics play a key role.

2. **Internal Cable Routing** The 31.8mm internal routing system keeps cables and housing neatly contained within the bar, improving aerodynamics and reducing drag. This also helps prevent cable chafing and wear from external elements like wind or debris.

3. **Lightweight Construction** Giant uses high-quality materials, such as carbon fiber, to keep the handlebar lightweight while maintaining rigidity. This contributes to better power transfer and reduced fatigue during long rides.

4. **Ergonomic and Adjustable Fit** The SLR Road Aero offers a comfortable grip position with a slightly swept-back design, which can reduce shoulder strain compared to more aggressive aero bars. The 40cm width is a standard size that suits most riders, though taller or wider riders may prefer a slightly larger model.

5. **Compatibility with Modern Components** The 31.8mm internal routing is compatible with most modern road bikes, including those with disc brakes (if equipped with appropriate spacers) and electronic shifting systems. It also works well with a wide range of stem lengths and angles.

6. **Durability** Carbon fiber handlebars are resistant to corrosion and wear, making them a long-lasting investment compared to aluminum alternatives.

7. **Aesthetic Appeal** The sleek, modern design of the SLR Road Aero adds a premium look to the bike, which may be appealing to riders who value both performance and style.

8. **Versatility** While optimized for aerodynamics, the handlebar still provides a functional drop position for climbing and maneuvering, making it suitable for both racing and general road riding.

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1. **Higher Cost** Carbon fiber handlebars are more expensive than aluminum or steel alternatives. The price point may be prohibitive for budget-conscious riders or those who don t prioritize aerodynamics.

2. **Less Comfortable for Some Riders** The aggressive aero shape and narrow width (40cm) may not suit riders with broader shoulders or those who prefer a more upright or relaxed position. Some may find the drop section too narrow for comfortable hand placement on rough terrain.

3. **Limited Adjustability** Unlike some ergonomic handlebars, the SLR Road Aero does not offer adjustable rise or sweep. Riders who need a highly customized fit may need to pair it with a stem that compensates for their specific ergonomic needs.

4. **Potential for Overkill** If you primarily ride on flat terrain or in non-competitive settings, the aerodynamic benefits may not justify the cost. For casual or recreational riders, a more affordable bar (e.g., aluminum aero or traditional drop bar) might suffice.

5. **Maintenance Sensitivity** Carbon fiber is sensitive to impacts, such as drops or collisions. While rare, damage to the handlebar can compromise its structural integrity and require costly repairs or replacement.

6. **Weight Sensitivity** While lightweight, the carbon fiber handlebar adds to the overall cost of the bike. For riders who prioritize weight savings elsewhere (e.g., wheels, frame), the marginal gain from this handlebar may be negligible.

7. **Compatibility with Older Components** Some older bikes or components may not be fully compatible with the 31.8mm internal routing, particularly if they lack the necessary spacers or adapters for disc brakes or electronic shifting.

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The Giant 180000308 Contact SLR Road Aero handlebar is an excellent choice for **serious road cyclists, triathletes, or competitive riders** who prioritize aerodynamics, comfort, and performance. Its internal routing, lightweight construction, and ergonomic design make it a standout option for those who spend significant time in the drops or need a bar that enhances speed without sacrificing comfort. However, it is **not ideal for casual riders, those on a tight budget, or individuals who prefer a more upright or adjustable handlebar**.

If you frequently ride in aero positions, value durability, and can justify the investment, this handlebar is a **highly recommended upgrade**. For riders who don t prioritize aerodynamics or have specific ergonomic needs, a more affordable or adjustable alternative may be a better fit.

- **Buy it if:** You ride competitively, prioritize aerodynamics, and want a premium, comfortable handlebar for long-distance or time-trial riding. The internal routing and carbon construction justify the cost for performance-oriented cyclists.

- **Skip it if:** You re a casual rider, prefer a more budget-friendly option, or need a handlebar with greater adjustability or width. In that case, consider an aluminum aero bar or a traditional drop bar with ergonomic grips.

Details:

Please see pictures. Internal cable routing. Lightly used trade out.

part #: 180000308 prices

• $50.00-$300.00

specifications ribicycl:

• brand: Giant
• mpn: 180000308
• part type: Internal Contact
• compatible brand: For Giant
• handlebar type: Drop Bar
• color: Black
• clamp diameter: 31.8 Mm
• compatible bike type: Road Bike
• set includes: Handlebar
• material: Carbon

general ribicycl:

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

offer ribicycl:

• availability: In Stock
• sold: 0
• options: Ship-to-home
• started: May 7, 2026
• quantity: 1

payments ribicycl:

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

seller ribicycl:

• city: Santa Fe, New Mexico
• rating: 100.0%
• # reviews: 525

shipping ribicycl:

• carrier: USPS
• cost: $9.58
• service: USPS Ground Advantage
• type: Calculated
• transit: 6-12 Days
• class: Standard

returns ribicycl:

• policy: No Returns

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