About this product
Keep your Kyosho radio controlled car performing at its peak with this genuine main gear shaft. Engineered for the Ultima RB5, RB7, and SB Dirtmaster models, this Kyosho spare part ensures reliable power transmission and smooth drivetrain operation. Whether you’re a seasoned RC hobby enthusiast or upgrading your radio controlled car after intense track sessions, this replacement component delivers the durability Kyosho is renowned for. Compatible with both 8-leaf and 20-tooth configurations, it’s an essential maintenance item for any serious racer.
- Genuine Kyosho RC parts specification
- Fits Ultima RB5, RB7, and SB Dirtmaster models
- 8L/20T gear configuration
- Professional-grade durability

Xfly 13g Digital Metal Gear Servo Reverse W/1000mm Lead
Team Associated Rival Mt8 Arm Mounts
Team Associated Ft Silicone Shock 25wt (275cst) 4oz/118ml
Mini-Z 4X4 MX-01 Toyota Land Cruiser GR Sport Dark Red Mica (KT531P)
Team Associated Rc28r Speciality Hardware Set (30)
Maverick Rc Quantumr Flux 4s 1/8 4wd Muscle Car - Grey
Team Associated Rc10b7 Ft Aluminium Pivot Ball Set
Team Associated b6.2 Fan Mount
MJX Hyper Go Center Support Brace Pole - Part Number 14310b
Fastrax Parts Storage Case 130mm X 68mm (10 Sections)
Team Associated Blue 8-32 Alum. Nuts
Team Associated Set Screw 3x5mm (10)
MJX Hyper Go Replacement M30 Nuts 8 Pack - Part Number M30
Team Associated rc10b6.4 Steering Hat Bushing Set
Team Associated/Reedy Worlds Tour 1993 Sweatshirt - Medium
Team Associated Tc8 Spur Gear Screw Set
Team Associated Dr10 Wheelie Bar Wheels And Mount
Team Associated B64 Front Arms, Hard
Maverick RC 8mm Wheel Hex Hub Set (4pcs)
Team Associated Rc10gt Front & Rear Suspension Arms Black
Team Associated Rc8 Rs Steel Turnbuckle 38mm (2) rc8b3.1/rc8b3.2
Team Associated Apex 2 Gear Diff Outdrives
Associated Rc10 Transmission Brace Graphite
Team Associated Diff Thrust Spring
Kyosho Vintage Series Starter Set (KT231P - 82252 - HD3001HB - 70702)
Phillips Screwdriver 2.0 X 60mm
Fastrax Pro Nut Driver - 5.5mm (M3)