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  3. BONTRAGER 563871

BONTRAGER 563871 Carbon Seatmast Cap Round Mast Domane 617395139651 175MM Domane/emonda/madone

563871 Bontrager Carbon Seatmast Cap 175mm X 5mm Round Mast Domane/emonda/madone

( Brand: Bontrager ), ( Manufacturer Part Number: 563871 ), ( Model: EMONDA ), ( Part Type: Cap ), ( Compatible Brand: For Trek ), ( Material: Carbon ), ( Item Length: 175 Mm ), ( Item Weight: 2.0000 ), ( UPC: 617395139651 )

Review BONTRAGER Carbon Seatmast Cap 175mm 5mm Round Mast Domane/emonda/madone

Bontrager Carbon Seatmast Cap for Domane, Emonda, and Madone (563871, 175mm, 5mm Round Mast)

Experience the ultimate in bike-fitting precision and seamless integration with the Bontrager Carbon Seatmast Cap (563871). Designed specifically for the Domane, Emonda, and Madone series bikes, this carbon seatmast cap boasts a sleek, aerodynamic design that enhances the overall aesthetic of your premium bike.

Measuring 175mm in length and featuring a 5mm round mast, this seatmast cap is meticulously engineered to provide a secure and snug fit for your seatpost. The carbon construction not only ensures a lightweight, responsive ride but also offers exceptional vibration damping, reducing harshness from the road and contributing to a smoother, more comfortable ride.

The Bontrager Carbon Seatmast Cap is a testament to quality craftsmanship and attention to detail. It features a round mast design for a universal fit, ensuring compatibility with a wide range of seatposts. The cap is also equipped with a titanium hardware, ensuring durability and longevity even in the most demanding riding conditions.

Incorporating this Bontrager Carbon Seatmast Cap into your Domane, Emonda, or Madone bike not only enhances the bike's aesthetic appeal but also improves its performance, providing a more efficient power transfer and a smoother, more comfortable ride. Upgrade your bike today with this premium carbon seatmast cap and take your cycling experience to the next level.

Pros, Cons, and Recommendation for Bontrager Carbon Seatmast Cap 175mm 5mm Round Mast (Model: 563871)

Product Overview:

The Bontrager Carbon Seatmast Cap 175mm 5mm Round Mast is designed for Domane, Emonda, and Madone bikes. It is a lightweight, aerodynamic, and durable solution for your seatpost mast.

Pros:

1. Lightweight: The carbon construction makes it significantly lighter than traditional seatmast caps, reducing the overall weight of your bike.

2. Aerodynamics: The aerodynamic design helps to minimize wind resistance, which can improve your bike's efficiency and speed.

3. Durable: Carbon fiber is known for its strength and rigidity, ensuring the cap can withstand the stresses of riding.

4. Integrated: This cap is designed to seamlessly integrate with the Trek Domane, Emonda, and Madone frames, providing a clean, streamlined look.

Cons:

1. Compatibility: It is specifically designed for Trek's Domane, Emonda, and Madone bikes. If you have a different bike brand, this cap may not be compatible.

2. Cost: Carbon parts can be more expensive than their aluminum or steel counterparts, which might make this cap a significant investment for some cyclists.

3. Repair and Replacement: If damaged, carbon parts can be difficult and costly to repair or replace compared to other materials.

Conclusion:

The Bontrager Carbon Seatmast Cap 175mm 5mm Round Mast offers several advantages, including lightweight, aerodynamics, and durability, making it an attractive option for cyclists who own a compatible Trek bike and prioritize performance. However, its compatibility limits its appeal to a specific group of cyclists, and its cost may deter budget-conscious riders.

Recommendation:

If you are a performance-oriented cyclist with a Trek Domane, Emonda, or Madone bike and are willing to invest in a high-quality, lightweight, and aerodynamic seatmast cap, the Bontrager Carbon Seatmast Cap 175mm 5mm Round Mast is a worthwhile consideration. If you are on a tighter budget or have a different bike brand, you may want to consider alternative, more universally compatible options.

Details:

Stiff and lightweight carbon construction. Includes rotary head hardware. Direct fit for round mast Trek frame systems. Genuine Trek product sourced directly from the manufacturer.

Never crashed. For Domane SL/SLR 2012 2019 , all Emonda SL/SLR, Madone 5/6/7 series 2010 2015. A longer 175mm mast cap with 5mm offset, designed for riders needing more extension while maintaining a neutral saddle position. Includes only what is pictured.

Used-very low mileage, no cracks or chips. One-bolt design for fore-aft and angle adjustment. Torque specification: 6/8 NM.

part #: 563871 prices

  • $79.99-$177.99

specifications ribicycl:

  • brand: Bontrager
  • mpn: 563871
  • model: Emonda
  • part type: Cap
  • compatible brand: For Trek
  • material: Carbon
  • item length: 175 Mm
  • item weight: 2.0000
  • upc: 617395139651

payments ribicycl:

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

shipping ribicycl:

  • carrier: USPS
  • transit: 6-12 Days
  • cost: $0.00
  • type: Calculated
  • class: Standard
  • service: USPS Ground Advantage

offer ribicycl:

  • options: Ship-to-home
  • quantity: 1
  • availability: In Stock
  • started: July 10, 2025
  • sold: 0

general ribicycl:

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

returns ribicycl:

  • policy: No Returns

seller ribicycl:

  • rating: 100.0%
  • # reviews: 119
  • city: Rancho Santa Margarita, California
part type: cap, compatible brand: for trek, item length: 175 mm, item weight: 2.0000,
category: sporting goods > cycling > bicycle components parts > seatposts, material: carbon, sku: 13806310710950633,
Bontrager 563871 Is Similar To:
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5 offers $79.99–$177.99 USD
  • New. Offer #1 priced at $79.99 + $0.00 shipping estimate = $79.99* total. FREE SHIPPING
  • Used. Offer #2 priced at $177.99 + $16.37 shipping estimate = $194.36* total. +$16.37 shipping
  • Used. Offer #3 priced at $124.94 + $25.00 shipping estimate = $149.94* total. +$25.00 shipping
  • New. Offer #4 priced at $79.99 + $0.00 shipping estimate = $79.99* total. FREE SHIPPING
  • Used. Offer #5 priced at $100.00 + $5.48 shipping estimate = $105.48* total. +$5.48 shipping

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