K-Tech Fork Oil Seals Kit Honda CBR 1000 RR SP (2014–2019) FSS-021
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When race-day performance depends on consistent fork action, the seals holding your oil in place cannot be an afterthought. The K-Tech Fork Oil Seals Kit FSS-021 is engineered for the Honda CBR 1000 RR SP (2014–2019) — a machine built for the track — and uses genuine NOK seals, the same supplier chosen as original equipment by Japan's leading suspension manufacturers. The result is a direct-fit, race-grade solution that keeps your forks leak-free and your suspension response exactly where it needs to be, lap after lap.
Key Features
- NOK-manufactured oil seals: the OEM-grade supplier trusted by Japan's top suspension specialists for long service life under sustained high loads.
- Precision dimensions (43.00 x 55.10 x 11.00/14.00 mm) matched exactly to the CBR 1000 RR SP fork tube specification.
- Supplied as a complete pair — both fork legs are refreshed in a single service, eliminating mismatched wear.
- Direct OEM-replacement fit: no modification required, correct installation every time.
- Maintains consistent fork oil pressure, preventing bypasses that degrade damping and rebound under track conditions.
- Suitable for road maintenance or pre-season track preparation on all SP variants from 2014 to 2019.
Race-Ready Fork Maintenance
The Honda CBR 1000 RR SP runs Öhlins TTX suspension as standard — componentry that demands equally high standards from every sealing surface. A weeping fork seal does not just leave oil on a tyre; it progressively robs the fork of damping authority, softening the front end precisely when you need the most confidence braking deep into a corner. The K-Tech FSS-021 kit removes that risk. Because the NOK seals are produced to the same tolerances used on original assemblies, there is no break-in compromise: the fork behaves identically after a seal change as it did when new.
Build Quality and Material
NOK Corporation supplies sealing components to virtually every major motorcycle manufacturer in Japan and is widely recognised as the benchmark for elastomer seal technology in high-performance suspension. The dual-height profile (11.00 mm inner / 14.00 mm outer lip height) provides a robust primary seal combined with an effective secondary wiper, channelling any residual oil film back into the leg rather than allowing it to creep past the dust seal.
Fitment and Compatibility
This kit is designed exclusively for the SP variants of the Honda CBR 1000 RR. Please confirm your model designation before ordering — standard (non-SP) CBR 1000 RR models use a different fork specification and require a separate seal kit.
- Honda CBR 1000 RR SP — 2014, 2015, 2016, 2017, 2018, 2019
Installation must be carried out by an authorised K-Tech Service Centre. Specialist tools and technical knowledge are required to ensure full performance and safety. Incorrect fitment can result in immediate seal failure or compromised suspension function.
Specifications
| Part Number | FSS-021 |
|---|---|
| Inner Diameter | 43.00 mm |
| Outer Diameter | 55.10 mm |
| Height (primary) | 11.00 mm |
| Height (secondary) | 14.00 mm |
| Quantity | 2 oil seals (one pair) |
| Seal Manufacturer | NOK |
| Fitment | Honda CBR 1000 RR SP (2014–2019) |
| Brand | K-Tech |
|---|---|
| Part Number | FSS-021 |
| Seal Manufacturer | NOK |
| Inner Diameter | 43.00 mm |
| Outer Diameter | 55.10 mm |
| Height (primary) | 11.00 mm |
| Height (secondary) | 14.00 mm |
| Quantity | 2 oil seals (one pair) |
| Fitment | Honda CBR 1000 RR SP (2014–2019) |
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2x K-Tech Fork Oil Seals (FSS-021) for Honda CBR 1000 RR SP (2014–2019)
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// K-Tech
K-Tech Fork Oil Seals Kit Honda CBR 1000 RR SP (2014–2019) FSS-021

Tech specs
- Brand
- K-Tech
- Part Number
- FSS-021
- Seal Manufacturer
- NOK
- Inner Diameter
- 43.00 mm
- Outer Diameter
- 55.10 mm
- Height (primary)
- 11.00 mm
- Height (secondary)
- 14.00 mm
- Quantity
- 2 oil seals (one pair)
- Fitment
- Honda CBR 1000 RR SP (2014–2019)
- Worldwide shipping
- Genuine parts & verified quality
- 14-day returns — in stock ships within 24h
- Personal email support
// Support
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