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Core RC Schumacher CAT K1 Aero Spares & Parts

Keep your Schumacher CAT K1 Aero running at its best with our dedicated spares range. From genuine Schumacher replacement parts to compatible upgrades from Core RC and MIP Sch, you'll find belts and pulleys, diffs and slipper parts, spur gears, bearings, suspension arms and hubs, driveshafts, steering components, shock towers, chassis plates, and the screws and turnbuckles that tie it all together.

Need a quick fix before race day? We hold large UK stocks for fast dispatch, with next day delivery options available, and our friendly, knowledgeable team is on hand to help you pick the right part.

Top tips: match items to your manual's part numbers for the CAT K1 Aero, double-check belt/pulley tooth counts, and refresh consumables like bearings, diff balls, oils and springs regularly for consistent performance. Looking to tune handling? Explore Core RC shock oils and springs, and MIP Sch driveline hop-ups for durability and efficiency.

Use the filters to browse by brand or part type, and if you can't see the exact piece you need, get in touch - we'll be happy to help. For more Schumacher platforms and general tools, see our main Schumacher category.
Core RC - Serrated M4 Steel Wheel Nut (4)
Core RC - Serrated Alloy M4 Nuts - Blue (4)
Core RC - Serrated Alloy M4 Nuts - Purple (4)
Core RC Big Bore Spring Tuning Set; Med 5prs
Core RC Big Bore Spring Tuning Set; Long 5prs
Core RC Big Bore Spring; Med - 2.8 (2)
SCH-CR179

Core RC Big Bore Spring; Med - 2.8 (2)

£6.64
Shadow Stock
Core RC Big Bore Spring; Med - 3.1 (2)
Core RC Big Bore Spring; Med - 3.4 (2)
Core RC Big Bore Spring; Med - 3.7 (2)
Core RC Big Bore Spring; Med - 4.0 (2)
SCH-CR183

Core RC Big Bore Spring; Med - 4.0 (2)

£6.64
Shadow Stock
Core RC Big Bore Spring; Long - 1.8 (2)
Core RC Big Bore Spring; Long - 2.0 (2)
Core RC Big Bore Spring; Long - 2.2 (2)
Core RC Big Bore Spring; Long - 2.4 (2)
Core RC Big Bore Spring; Long - 2.6 (2)
Core RC Spring Seat - Big Bore to 13mm (4)
Core RC - Serrated Alloy M4 Nuts - Black (4)
M3 Alloy Nyloc Nuts - Low Profile - Black (10)
Big Bore Spring; Med Orange - 4.3 (2)
SCH-CR635

Big Bore Spring; Med Orange - 4.3 (2)

£5.69
In Stock
Big Bore Spring; Med Yellow - 4.6 (2)
SCH-CR636

Big Bore Spring; Med Yellow - 4.6 (2)

£5.69
In Stock
Big Bore Spring; Long Orange - 2.8 (2)
Big Bore Spring; Long Yellow - 3.0 (2)
High Response Spring; Long Red - 2.0 LB/in (2)
High Response Spring; Long Green - 2.2 LB/in (2)
High Response Spring; Long Blue - 2.4 LB/in (2)
High Response Spring; Long Black - 2.6 LB/in (2)
High Response Spring Tuning Set Long 4prs
Clearance
High Response Spring; Med Green - 3.4 LB/in (2)
High Response Spring; Med Blue - 3.7 LB/in (2)
High Response Spring; Med Orange - 4.3 LB/in (2)
High Response Spring; Med Yellow - 4.6 LB/in (2)
Clearance
High Response Spring; Med Purple - 4.9 LB/in (2)
High Response Spring; Med Grey - 5.2 LB/in (2)
High Response Spring Tuning Set Med 7prs
Showing 1 - 35 of 35 items