
( Brand: Rockshox ), ( Part Type: Headset Spacer ), ( Color: Carbon ), ( Defined Color: Black ), ( S H I S Stemclampdiameter: 28.6 ), ( Alt Mpn 1: Hd1900 ), ( Category 1: Bike / Ebike Parts ), ( Average Delivery Time: 2-3 Days ), ( Package Weight: 0.13 ), ( Package Length: 6.95 ), ( Package Width: 4.55 ), ( Package Height: 1.43 ), ( Manufacturer Warranty: 30 Days ), ( UPC: 004315021010 )
Review ROCKSHOX Ud Carbon Headset Spacer Set
Introducing the RockShox UD Carbon Headset Spacer Set (00.4315.021.010), a high-performance accessory designed to enhance the rigidity and weight savings of your RockShox carbon fork and headset. This set is an essential upgrade for cyclists seeking a smooth, responsive ride, and it is perfectly suited for road, gravel, or cross-country applications.
Each component in this set is meticulously crafted from unidirectional carbon fiber, ensuring maximum strength and minimal weight. The headset spacers are available in various thicknesses to accommodate different stack heights and fork offsets, providing the necessary adjustment for your bike's geometry. Moreover, the carbon fiber material offers excellent vibration damping and insulation against harsh road conditions, ensuring a more comfortable and efficient ride.
The RockShox UD Carbon Headset Spacer Set features a sleek, under-bar design that not only looks great but also reduces aerodynamic drag. The spacers are secured in place using a proprietary locking system, which ensures a secure and rattle-free installation. Additionally, the set includes a stainless steel top cap and a headset seal, ensuring a reliable and leak-free performance.
Installing the RockShox UD Carbon Headset Spacer Set is a straightforward process, and it can be done using standard headset installation tools. The set is compatible with most RockShox carbon forks and headsets, making it a versatile and practical upgrade for a wide range of cyclists.
In summary, the RockShox UD Carbon Headset Spacer Set (00.4315.021.010) is an essential accessory for cyclists seeking to enhance the performance and aesthetics of their carbon fork and headset. Its unidirectional carbon fiber construction ensures maximum strength and minimal weight, while its sleek design reduces aerodynamic drag. With various thicknesses available and a secure installation system, this set is a versatile and practical upgrade for any cyclist.
Pros and Cons of Buying RockShox 00.4315.021.010 UD Carbon Headset Spacer Set
The RockShox 00.4315.021.010 UD Carbon Headset Spacer Set is a popular choice among cyclists for their lightweight and durable design. However, like any other product, it has its advantages and disadvantages. In this article, we will discuss the pros and cons of buying this carbon headset spacer set.
Pros:1. Lightweight: Carbon fiber is a lightweight material, making these spacers an excellent choice for those looking to reduce their overall bike weight.
2. Durability: Carbon fiber is known for its high strength-to-weight ratio, making these spacers strong and resilient, even under heavy use.
3. Aesthetic Appeal: The carbon fiber material gives the spacers a sleek and modern look, making them an attractive addition to any bike.
4. Compatibility: These spacers are compatible with most RockShox forks and headsets, making them a versatile choice for a wide range of bikes.
5. Reduced Vibration: Carbon fiber absorbs vibrations better than aluminum or steel, resulting in a smoother ride.
Cons:1. Cost: Carbon fiber is an expensive material, making these spacers more costly than their aluminum or steel counterparts.
2. Fragility: Although strong, carbon fiber can be fragile and prone to damage if not handled carefully. Dropping the spacers or subjecting them to sudden impacts can result in cracks or fractures.
3. Maintenance: Carbon fiber requires special care and maintenance to maintain its strength and appearance. It should be kept clean and dry and should not be exposed to extreme temperatures or UV radiation.
4. Availability: These spacers may not be readily available at local bike shops, making it necessary to order them online.
5. Installation: Installing carbon fiber spacers can be a more complex process than installing aluminum or steel ones due to their unique material properties.
Conclusion:The RockShox 00.4315.021.010 UD Carbon Headset Spacer Set offers several advantages, including lightweight, durability, and reduced vibration. However, it also comes with some disadvantages, such as cost, fragility, and maintenance requirements. Ultimately, the decision to buy these spacers depends on the individual's priorities and budget. If weight reduction and durability are top priorities and the cost is not a concern, then these spacers are an excellent choice. However, if budget is a concern or the added complexity of carbon fiber maintenance is undesirable, then aluminum or steel spacers may be a more practical option.
part # 004315021010 prices
- $9.99-$35.00
specifications scootnav:
- brand: Rockshox
- part type: Headset Spacer
- color: Carbon
- defined color: Black
- s h i s stemclampdiameter: 28.6
- alt mpn 1: Hd1900
- category 1: Bike / Ebike Parts
- average delivery time: 2-3 Days
- package weight: 0.13
- package length: 6.95
- package width: 4.55
- package height: 1.43
- manufacturer warranty: 30 Days
- upc: 004315021010
offer scootnav:
- availability: In Stock
- options: Ship-to-home
- quantity: 1
- sold: 0
- started: November 5, 2025
shipping scootnav:
- type: Calculated
- class: Standard, Expedited, One-day
- cost: $0.00
- service: USPS Ground Advantage, FedEx 2Day, FedEx Standard Overnight
- carrier: USPS, FedEx
- transit: 3-8 Days
seller scootnav:
- # reviews: 489787
- rating: 99.3%
general scootnav:
- Motorcycle Scooter Parts Accessories > Audio, Communication Navigation > Headsets Intercoms
- condition: New
returns scootnav:
- paid by: Seller
- time: 30 Days
- policy: Returns Accepted
payments scootnav:
- credit card: Visa
- wallet: Google-pay
- other

4 offers $9.99–$35.00 USD
- Offer #1: $9.99 price + $10.59 delivery = $20.58* total.+$10.59 shipping
- Offer #2: $10.00 price + $5.89 delivery = $15.89* total. Fits 1 1/8" steerer. UD carbon fiber finish.+$5.89 shipping
- Offer #3: $35.00 price + free delivery = $35.00* total. UD carbon fiber finish for a clean, high-end look. Proper spacer setup is key for dialing in fit and handling.FREE SHIPPING
- Offer #4: $20.00 price + $5.72 delivery = $25.72* total. With a manufacturer warranty of 2 years, you can trust the quality and durability of this headset spacer set for your cycling needs. The RockShox UD Carbon Headset Spacer Set includes three spacers of different heights (5mm x 2, 10mm x 1, 15mm x 1) made of lightweight carbon material.+$5.72 shipping