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XRay XRay XB4 Spares, Parts & Hop-Ups | Page 3

Keep your XRay XB4 dialled with genuine spares, hop-ups and replacement parts. Whether you’re rebuilding after a tumble or fine‑tuning for carpet, astro or dirt, you’ll find arms, hubs, bulkheads, shock towers, gears, diffs, driveshafts, bearings, springs, oils, screws and more – all designed for the 1/10 4WD XB4 platform.

Use the filters and product titles to match your buggy: XRay often updates the XB4 each season (e.g. 2020–2024), so some parts are year‑specific while others carry over. When in doubt, check your manual for the exact part number or drop our team a line and we’ll confirm compatibility.

We hold large stocks for fast dispatch, with UK delivery options including next day, so you can get back on track sooner. Looking to upgrade? Explore alloy hubs and steering, carbon shock towers, HD drivetrain components, brass balance weights and titanium turnbuckles to tweak durability and handling to suit your driving.

Questions? Our friendly, knowledgeable customer service team are RC experts and happy to help with setup advice and spares picks. Shop XRay XB4 Spares with confidence at Wheelspin Models.
XRay Solid Axle Outdrive Adapter - Hudy Spring Steel
XRay Slipper Clutch Spring C=30 - Black
XRay Slipper Clutch Spring C=50 - Black
XRay Slipper Clutch Spring C=46 - Black
XR364182

XRay Slipper Clutch Spring C=46 - Black

8.05
Shadow Stock
XRay Aluminium Slipper Clutch Nut
XR364190

XRay Aluminium Slipper Clutch Nut

8.05
Shadow Stock
XRay Gear Center Differential - Set
XR364901

XRay Gear Center Differential - Set

79.37
Shadow Stock
XRay Composite Gear Differential Case - Graphite
XRay Composite Center Gear Differential Adapter
Clearance
XRay Composite Diff. Bevel Gear 35T
XR364935

XRay Composite Diff. Bevel Gear 35T

14.95
In Stock
Clearance
XRay Aluminium Diff. Bevel Gear 35T - 7075 T6 Hard Coated
Gear Diff Outdrive Adapter - Hudy Spring Steel (2)
XRay Composite Center Diff Spur Gear 75T / 48
XRay Composite Center Diff Spur Gear 78T / 48
XRay Composite Center Diff Spur Gear 81T / 48
XRay Composite Center Diff Spur Gear 84T / 48
XRay Composite Bevel Gear Bushing (2)
XR364990

XRay Composite Bevel Gear Bushing (2)

6.66
Shadow Stock
XRay Ball Diff Washer 17 X 24.5 X 1 (2)
Clearance
XRay Steel Bevel Drive Gear - CNC-Machined - 14T
XRay ECS Front Drive Shaft 81mm - Hudy Spring Steel
Front Drive Shaft 81mm - Hudy Spring Steel
XR365220

Front Drive Shaft 81mm - Hudy Spring Steel

26.66
Shadow Stock
XRay Front ECS Drive Shaft 81mm - Hudy Spring Steel
Drive Shaft Coupling - Hudy Spring Steel
XRay ECS Drive Shaft Coupling - Hudy Spring Steel
Front Drive Axle - Hudy Spring Steel
XR365240

Front Drive Axle - Hudy Spring Steel

20.00
Shadow Stock
XRay Front ECS Drive Axle - Hudy Spring Steel
XRay Front Drive Axle - Hudy Spring Steel - 2WD
XRay ECS Drive Shaft Case - Hudy Spring Steel
XRay ECS Rear Drive Shaft 68mm - Hudy Spring Steel
XRay Rear ECS Drive Shaft 68mm - Hudy Spring Steel
XRay Rear Drive Shaft 68mm - Hudy Spring Steel
Rear Drive Axle - Hudy Spring Steel
XR365340

Rear Drive Axle - Hudy Spring Steel

21.85
Shadow Stock
XRay Aluminium Wheel Hub 14mm - Offset -0.75mm (2)
XRay Aluminium Wheel Hub 12mm (2)
XR365353

XRay Aluminium Wheel Hub 12mm (2)

24.15
In Stock
XRay Aluminium Wheel Hub 12mm - Offset -0.75mm (2)
XRay Aluminium Wheel Hub 12mm - Offset +0.75mm (2)
XRay Aluminium Wheel Hub 12mm - Offset +1.50mm (2)
XRay Aluminium Wheel Hub 12mm - Offset +2.25mm (2)
XRay Aluminium Wheel Hub 12mm - Offset +3.00mm (2)
XRay Aluminium Wheel Hub 12mm - Offset +3.75mm (2)
XRay Aluminium Wheel Hub 12mm - Offset -1.25mm (2)
Central Drive Shaft 88mm - Hudy Spring Steel
XRay Central Drive Shaft 95mm - Hudy Spring Steel
XRay Central Drive Shaft 105mm - Hudy Spring Steel
XRay Central Drive Shaft 82mm - Hudy Spring Steel
XRay Central Shaft Universal Joint For Machined Pinion
XRay Composite Drive Shaft Safety Collar (3)
XRay Aluminium Drive Shaft Safety Collar - Black (3)
Clearance
XRay Composite Slipper Clutch Spur Gear 75T / 48
XRay Composite Slipper Clutch Spur Gear 78T / 48
XRay Composite Slipper Clutch Spur Gear 84T / 48
Clearance
XRay Composite 3-Pad Slipper Clutch Spur Gear 84T / 48
Clearance
XRay Composite 3-Pad Slipper Clutch Spur Gear 87T / 48
XRay Composite Radio Plate
XR366050

XRay Composite Radio Plate

8.88
Shadow Stock
XRay Composite Battery Strap L+R
XR366110

XRay Composite Battery Strap L+R

6.66
Shadow Stock
XRay Composite Battery Strap - Long
XR366114

XRay Composite Battery Strap - Long

6.66
Shadow Stock
XRay Composite Battery Strap - Long XL
XR366115

XRay Composite Battery Strap - Long XL

6.66
Shadow Stock
XRay Composite Battery Holder Stand (2)
XR366142

XRay Composite Battery Holder Stand (2)

6.66
Out Of Stock
XRay Composite Servo Mount - Higher
XR366202

XRay Composite Servo Mount - Higher

6.66
In Stock
XRay Graphite Fan Holder 2.2mm
XR366240

XRay Graphite Fan Holder 2.2mm

13.33
Shadow Stock
XRay Suspension Pivot Pin (2)
XR367210

XRay Suspension Pivot Pin (2)

10.35
In Stock
XRay Front Arm Pivot Pin (2)
XR367220

XRay Front Arm Pivot Pin (2)

8.05
In Stock
XRay Front Arm Pivot Pin (2)
XR367221

XRay Front Arm Pivot Pin (2)

17.77
Shadow Stock
XRay Rear Arm Pivot Pin (2)
XR367320

XRay Rear Arm Pivot Pin (2)

8.05
Shadow Stock
XRay Composite Shock Parts
XR368010

XRay Composite Shock Parts

8.88
In Stock
XRay Composite Shock Ball Joint 2mm And 4mm (2 2)
XRay Aluminium Shock Spring Retaining Collar (4)
XRay Aluminium Shock Spring Retaining Collar -2mm (4)
Clearance
XRay Aluminium Shock Spring Retaining Collar -4mm (4)
XRay Shock Pistons - Complete Set - Derlin
XR368031

XRay Shock Pistons - Complete Set - Derlin

13.33
Shadow Stock
XRay Aluminium Shock Adjustable Nut (2)
XR368040

XRay Aluminium Shock Adjustable Nut (2)

13.33
Shadow Stock
XRay Steel Screw Shock Pivot Ball With Hex (2)
XRay Aluminium Shock Cap-Nut With Vent Hole (2)
XRay Front Shock Absorbers Complete Set (2)
XR368100

XRay Front Shock Absorbers Complete Set (2)

106.69
Shadow Stock
XRay Aluminium Front Shock Body - Hard Coated (2)
XRay Aluminium Lower Shock Body Cap (2)
XRay Front Hardened Shock Shaft (2)
XR368160

XRay Front Hardened Shock Shaft (2)

20.00
Shadow Stock
XRay Front Spring Set Progressive - 3 Dots (2)
XRay Front Spring Set - 1 Stripe + 3 Dots (2)
XRay Front Spring Set - 1 Dot (2)
XR368183

XRay Front Spring Set - 1 Dot (2)

13.33
Shadow Stock
XRay Front Spring Set C=0.72 - 3 Dots (2)
XR368185

XRay Front Spring Set C=0.72 - 3 Dots (2)

13.33
Shadow Stock
XRay Front Spring Set L=42mm - 1 Dot (2)
XR368191

XRay Front Spring Set L=42mm - 1 Dot (2)

13.33
Shadow Stock
XRay Front Spring Set L=42mm - 2 Dots (2)
XR368192

XRay Front Spring Set L=42mm - 2 Dots (2)

13.33
Shadow Stock
XRay Front Spring Set L=42mm - 3 Dots (2)
XRay Front Spring Set L=42mm - 4 Dots (2)
XR368194

XRay Front Spring Set L=42mm - 4 Dots (2)

13.33
Shadow Stock
Showing 193 - 288 of 371 items