Bottom bracket
Shimano XT BB-MT800 BSA Bottom Bracket
✓ Fits BSA 73mm Threaded
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MTB 2025
Specialized Stumpjumper 15 Comp Alloy (2025): parts that fit
The 2025 Specialized Stumpjumper 15 Comp Alloy is a mountain bike with a BSA 73mm Threaded bottom bracket, a Shimano Micro Spline 12-Speed freehub, 12x148mm Boost Thru-Axle rear, 15x110mm Boost Thru-Axle front, Post Mount Disc brake mounts and a 34.9mm Diameter seatpost.
Standards
- Bottom bracket
- BSA 73mm Threaded
- Freehub / cassette body
- Shimano Micro Spline 12-Speed
- Drivetrain
- 12-speed drivetrain
- Rear axle
- 12x148mm Boost Thru-Axle
- Front axle
- 15x110mm Boost Thru-Axle
- Brake mount
- Post Mount Disc
- Seatpost
- 34.9mm Diameter
14 compatible parts
Bottom bracket
Bottom bracket
Shimano XT BB-MT800 BSA Bottom Bracket
✓ Fits BSA 73mm Threaded
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Bottom bracket
SRAM DUB BSA Threaded Bottom Bracket
✓ Fits BSA 73mm Threaded
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Bottom bracket
SRAM DUB BSA 68/73mm Threaded Bottom Bracket
✓ Fits BSA 73mm Threaded
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Brake pads
Brake pads
Shimano G05A Resin Disc Brake Pads
✓ Fits Post Mount Disc
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Brake pads
SRAM Guide/Level Organic Disc Brake Pads
✓ Fits Post Mount Disc
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Cassette
Cassette
Shimano Deore CS-M6100 12-Speed Cassette 10-51T
✓ Fits Shimano Micro Spline 12-Speed · 12-speed drivetrain
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Chain
Chain
SRAM NX Eagle 12-Speed Chain
✓ Fits 12-speed drivetrain
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Chain
Shimano Deore CN-M6100 12-Speed Chain
✓ Fits 12-speed drivetrain
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Chain
Shimano SLX CN-M7100 12-Speed Chain
✓ Fits 12-speed drivetrain
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Chain
SRAM Rival D1 12-Speed Chain
✓ Fits 12-speed drivetrain
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Chain
SRAM Rival Flattop 12-Speed Chain
✓ Fits 12-speed drivetrain
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Complete groupsets
Complete groupsets
Shimano Deore M6100 groupset — 1x12 MTB, MicroSpline 10-51
✓ Fits Post Mount Disc · Shimano Micro Spline 12-Speed
Fits your brake mounts and wheel. Before ordering, check your frame has a front-derailleur mount (2x kits) and the right cable routing (mechanical / Di2).
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Complete groupsets
Shimano SLX M7100 groupset — 1x12 MTB, MicroSpline 10-51
✓ Fits Post Mount Disc · Shimano Micro Spline 12-Speed
Fits your brake mounts and wheel. Before ordering, check your frame has a front-derailleur mount (2x kits) and the right cable routing (mechanical / Di2).
Buy it on
Questions about the Specialized Stumpjumper 15 Comp Alloy (2025)
What bottom bracket does the Specialized Stumpjumper 15 Comp Alloy (2025) use?
The Specialized Stumpjumper 15 Comp Alloy (2025) uses BSA 73mm Threaded. Parts in our database that fit: Shimano XT BB-MT800 BSA Bottom Bracket, SRAM DUB BSA Threaded Bottom Bracket, SRAM DUB BSA 68/73mm Threaded Bottom Bracket.
Which cassettes fit the Specialized Stumpjumper 15 Comp Alloy (2025)?
The Specialized Stumpjumper 15 Comp Alloy (2025) uses Shimano Micro Spline 12-Speed. Parts in our database that fit: Shimano Deore CS-M6100 12-Speed Cassette 10-51T.
What rear axle does the Specialized Stumpjumper 15 Comp Alloy (2025) have?
The Specialized Stumpjumper 15 Comp Alloy (2025) uses 12x148mm Boost Thru-Axle.
Which brake pads and calipers fit the Specialized Stumpjumper 15 Comp Alloy (2025)?
The Specialized Stumpjumper 15 Comp Alloy (2025) uses Post Mount Disc. Parts in our database that fit: Shimano G05A Resin Disc Brake Pads, SRAM Guide/Level Organic Disc Brake Pads.
What seatpost size does the Specialized Stumpjumper 15 Comp Alloy (2025) take?
The Specialized Stumpjumper 15 Comp Alloy (2025) uses 34.9mm Diameter.