Kit of Kits for: GAS GAS (OLD), RIEJU for exact fitment check description. [KWK-G-001]

Factory-Links bearings are packed with a heavy duty premium marine grease andan addition of a special complex thickeners which allows it to be virtually waterproof. It provides unsurpassed rust and corrosion protection.

Also to keep any moisture out, we have gone from 30% grease filling to a 60% for harsh conditions.
Our Factory-Links ball bearings are specially developed for an Off-Road use, unlikeIndustrial 2RS type ball bearings offer low torque resistance and hence weak resistance to water intrusion.



Information
This kit contains the front wheel rebuild kit and the rear wheel rebuild kit. Factory-Links rebuild kit is packed with heavy duty premium marine grease andan addition of a special complex seal which allows it to be virtually waterproof. It provides unsurpassed mud and sand protection. Also to keep any moisture out, we have gone from 30% grease filling to a 60% for harsh conditions.
Our Factory-Links ball bearings are specially developed for an Off-Road use, unlikeIndustrial 2RS type ball bearings offer low torque resistance and hence weak resistance to water intrusion.
Technical details
HEAVY DUTY BALL BEARINGS
DINP6 - ABEC3 Ball bearings with specially designed Factory-Links seals for Off-Road use.
OIL SEALS
Nitrile Butadiene Rubber Double-lip oil seals ; prevent abrasives, corrosive moisture and other harmful contaminants from entering bearings.
| Kit / Fitment | Wheel Bearing kit |
|---|---|
| Manufacturer | GAS GAS (OLD) |
| Model | EC 125 (2004-2015) FRONT & REAR EC 200 (2004-2015) FRONT & REAR EC 200 RANGER (2018-2019) FRONT & REAR EC 250 (2004-2019) FRONT & REAR EC 300 (2004-2014) FRONT & REAR EC 300 (2011-2011) FRONT & REAR EC 300 (2011-2011) FRONT & REAR EC 300 (2011-2014) FRONT & REAR EC 300 (2012-2012) FRONT & REAR EC 300 (2013-2013) FRONT & REAR EC 300 (2014-2014) FRONT & REAR EC 300 E (2011-2013) FRONT & REAR EC 300 RANGER (2018-2020) FRONT & REAR EC RACING 300 (2015-2019) FRONT & REAR EC RACING 300 (2018-2019) FRONT & REAR EC RACING SIX DAYS 250 (2018-2019) FRONT & REAR ENDURO GP 250 (2018-2019) FRONT & REAR ENDURO GP 300 (2018-2019) FRONT & REAR MC 125 (2004-2009) FRONT & REAR MC 250 (2004-2009) FRONT & REAR MX 125 (2003-2007) FRONT & REAR MX 250 (2004-2007) FRONT & REAR SM 125 (2004-2008) FRONT & REAR SM 250 (2004-2008) FRONT & REAR XC 200 (2018-2019) FRONT & REAR XC 250 (2018-2019) FRONT & REAR XC 300 (2018-2019) FRONT & REAR |
| Manufacturer | RIEJU |
| Model | ADVENTURA RALLY 307 R (2025-2026) FRONT&REAR MR 200 RACING (2022-2023) FRONT&REAR MR 250 PRO (2021-2024) FRONT & REAR MR 250 RACING (2021-2025) FRONT & REAR MR 300 I PRO (2026-2026) FRONT&REAR MR 300 I RACING (2026-2026) FRONT&REAR MR 300 PRO (2021-2025) FRONT & REAR MR 300 RACING (2021-2025) FRONT & REAR MR 300 RANGER (2021-2025) FRONT & REAR |