
Specialized Stumpjumper Carbon Downtube Protector OEM
Specialized Stumpjumper Carbon Downtube Protector OEM
Stage 21 Bikes
23582 Moulton Parkway
#111
Laguna Woods CA 92637
United States
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Specialized OEM Downtube Protector – Stumpjumper Carbon (MY2018–2020 J1)
This genuine Specialized factory replacement downtube protector is engineered to protect the carbon downtube on MY2018–2020 Stumpjumper (J1) carbon frames. Featuring a bolt-on, dual-density construction, it delivers excellent impact resistance against rocks, debris, and trail strikes while maintaining a secure, rattle-free fit.
Designed to match original factory specifications, this protector restores proper frame protection and preserves the bike’s clean, OEM appearance—ideal for replacements, rebuilds, or frame refreshes.
Features & Benefits
• Genuine Specialized OEM replacement part
• Dual-density construction for superior impact absorption
• Bolt-on design for secure, rattle-free fit
• Protects carbon downtube from rocks, debris, and trail damage
• Factory-correct shape and mounting points
• Compatible with both 29” and 27.5” wheel platforms
Specifications
• Application: Downtube protection
• Frame material compatibility: Carbon
• Mounting: Bolt-on
• Wheel compatibility: 29” and 27.5”
• Frame sizes: Fits all sizes
Included Hardware
• M4 × 0.7 pitch mounting bolts
• Custom upper-mount nut
Installation Notes
• Designed for direct bolt-on installation
• Uses factory mounting points
• Torque fasteners to Specialized specifications
• Hardware included for complete installation
OEM Compatibility
This downtube protector is original equipment on the following Specialized Stumpjumper Carbon (J1) models:
2020
• Stumpjumper Troy Lee Designs EVO 29 Frameset – LTD
• Stumpjumper Troy Lee Designs EVO 27.5 Frameset – LTD
• Stumpjumper ST LTD Downieville Carbon 29
• Stumpjumper Pemberton LTD Edition 29
• Stumpjumper Pemberton LTD Edition 27.5
• Stumpjumper Expert Carbon 29 / 27.5
• Stumpjumper EVO Comp Carbon 29 / 27.5
• S-Works Stumpjumper SRAM AXS 29
• S-Works Stumpjumper 29
• S-Works Stumpjumper 27.5 Frameset
• Men’s Stumpjumper EVO Pro 29 / 27.5
2019
• Women’s Stumpjumper ST Comp Carbon 29
• Women’s Stumpjumper Comp Carbon 27.5 (incl. Mixtape LTD)
• Stumpjumper Custom 29 / 27.5
• S-Works Stumpjumper ST 29 / 27.5
• S-Works Stumpjumper 29 / 27.5
• Men’s Stumpjumper ST Expert 29 / 27.5
• Men’s Stumpjumper ST Comp Carbon 29
• Men’s Stumpjumper Pro 29
• Men’s Stumpjumper Expert 29 / 27.5
• Men’s Stumpjumper EVO Pro 29 / 27.5
• Men’s Stumpjumper Comp Carbon 29 / 27.5
2018
• Women’s Stumpjumper ST Comp Carbon 29
• Women’s Stumpjumper Comp Carbon 27.5
• Men’s Stumpjumper ST Expert 29 / 27.5
• Men’s Stumpjumper ST Comp Carbon 29 / 27.5
• Men’s Stumpjumper Expert 29 / 27.5
• Men’s Stumpjumper Comp Carbon 29 / 27.5
• Men’s S-Works Stumpjumper ST 29 / 27.5
• Men’s S-Works Stumpjumper 29 / 27.5
Why Buy OEM Specialized Frame Protection?
Using genuine Specialized protection parts ensures:
• Correct fit and mounting alignment
• Maximum impact protection for carbon frames
• Quiet, rattle-free performance
• Factory appearance and long-term durability
• Maintained resale value
A must-have OEM replacement for restoring proper downtube protection on MY18–20 Specialized Stumpjumper carbon frames built for aggressive trail and enduro riding.


