Steering Stem Bearing Kit — Ducati DESMO 450 MX

Bars feel notchy on-center, or the bike wants to fall into corners — your steering-stem bearings are pitted. All Balls steering bearing kits replace the OEM ball-and-cage bearings with heavy-duty tapered roller bearings — the same upgrade many factory race teams run. Includes both upper and lower bearings plus the seals. Direct fitment, no machining.

Kit fits the bikes listed below. Verify year + model before ordering — head-tube dimensions vary by bike.

Fits:

• Ducati DESMO 450 MX (2026)
• Honda CR125R (1993-2007)
• Honda CR250R (1992-2007)
• Honda CRF250R (2004-2025)
• Honda CRF250RWE (2025)
• Honda CRF250RX (2019-2025)
• Honda CRF250X (2004-2017)
• Honda CRF450L (2019-2020)
• Honda CRF450R (2002-2025)
• Honda CRF450RL (2021-2025)
• Honda CRF450R-S (2022-2024)
• Honda CRF450RWE (2019-2025)
• Honda CRF450RX (2017-2025)
• Honda CRF450X (2005-2025)
• Honda SSR SR 250S (2016-2023)
• TM EN 125 (2002-2011)
• TM EN 144 (2008-2011)
• TM EN 250 (2002-2011)
• TM EN 250F (2002-2011)
• TM EN 300 (2002-2011)
• TM EN 400F (2002-2003)
• TM EN 450F (2004-2011)
• TM EN 530F (2002-2011)
• TM MX 125 (2002-2011)
• TM MX 144 (2008-2011)
• TM MX 250 (2002-2011)
• TM MX 250F (2002-2011)
• TM MX 300 (2002-2011)
• TM MX 400F (2002-2003)
• TM MX 450F (2004-2011)
• TM MX 530F (2002-2011)
• TM SM 450F (2008)
• TM SMR 125 (2009)
• TM SMR 450F (2009)
• TM SMR 530F (2008-2009)
• TM SMX 125 (2005-2008)
• TM SMX 450F (2005-2007)
• TM SMX 660 (2006-2007)
• TM SMX 660F (2008-2009)
• TM SMX 660S (2005)

Kit contents:

• 2x Seal
• 2x Tapered Bearing