This high-quality heavy duty gear box case set provides a direct replacement for your kit item.
- Scale: 1/7
- Motor type: 4074 Non-Sensored Brushless
- Weight: 5 Kg
- Height: 192 mm
- Length: 725 mm
- Width: 328 mm
Power up your RC experience with the ARRMA AR310854 13T MOD1 Safe-D Pinion Gear, a premium upgrade engineered for enhanced durability and performance. Designed to handle extreme conditions, this heavy-duty pinion gear features MOD1 pitch and Safe-D technology for optimal gear engagement and secure fitment. Whether you're racing or bashing, the 13-tooth pinion offers improved torque and smoother power transfer for 1/8 scale brushless setups.
What are the key features of ARRMA AR310854 13T MOD1 Safe-D Pinion Gear?
- 13-tooth MOD1 design – perfect for torque-focused gearing on 1/8 scale RC vehicles
- Safe-D centre interface – flat sections on the shaft eliminate gear slip under load
- High-strength steel construction – resists wear during intense driving
- Hardened surface treatment – provides added longevity under high RPM stress
- Factory machined precision – delivers quiet, consistent mesh with spur gears
- Perfect for extreme power systems – ideal match for high-output brushless motors
- Direct fit replacement – simple installation with compatible 1/8 ARRMA platforms
- Secure grub screw fastening – ensures gear stays locked in position
This ARRMA 13T MOD1 pinion gear is specifically designed to offer high strength and secure mounting for users demanding extreme performance. The Safe-D design incorporates flat spots that align with D-shaped motor shafts, ensuring consistent power transfer without slippage. Combined with its hardened steel build and MOD1 tooth profile, this gear ensures long-lasting durability and precise drivetrain performance on even the toughest terrains.
Whether you're tuning your vehicle for greater acceleration or replacing a worn gear, the AR310854 pinion delivers top-level results. Compatible with multiple ARRMA brushless models and other vehicles using MOD1 gears, it's a reliable addition for competitive racers and hobbyists alike. Buy ARRMA AR310854 today and experience the difference of high-quality gearing.
- Brand: ARRMA
- Model: AR310854
- Appliance Type: RC pinion gear, MOD1 pinion, ARRMA pinion
- Tooth Count: 13T – ideal for enhancing torque in off-road setups
- Gear Pitch: MOD1 – designed for 1/8 scale RC powertrains
- Material: Hardened steel – high strength under demanding loads
- Finish: Black oxide coating – improves corrosion resistance and gear longevity
- Mounting Type: Safe-D flat interface with grub screw – eliminates shaft slippage
- Shaft Size Compatibility: Fits 5mm motor shafts – standard for 1/8 brushless systems
- Installation: Requires 1.5mm hex driver for grub screw fastening
- Weight Class: Lightweight design – reduces rotating mass for responsive performance
- Performance Use: Suitable for both bashing and competitive racing
- Compatibility: Designed for ARRMA 1/8 scale RC vehicles using Safe-D gear fitment
- Maintenance Tip: Apply thread lock to grub screw during installation to prevent loosening
- Durability Focus: Built to resist heat, friction, and vibration in high-stress scenarios
We want to make sure your delivery goes smoothly, so here are some important details about our service:
- For orders above £120, we offer delivery to most mainland UK addresses. For orders under £120, we can still deliver to Northern Ireland and the outlying isles, as long as the item can be sent by Royal Mail, weighs less than 30kg, and fits within 61cm × 46cm × 46cm. Some highland and remote areas may carry an extra delivery charge as couriers often apply surcharges in these locations. If you live in one of these areas, feel free to contact us before ordering so we can confirm the delivery options and costs for you.
- Most of our products include delivery in the price. If your order is under £90, a small delivery fee will apply but do not worry this will always be clearly shown at checkout before you complete your purchase.
- Depending on what you choose at checkout, your order will usually be delivered either the next working day or within 2 working days. For next day delivery please place your order before 2:00pm. Orders are dispatched Monday to Friday only. Some items may take a little longer and if that is the case we will always show the expected delivery time on the product page.
- If your order includes items with different dispatch times we will normally wait and send everything together once all items are in stock. If one of the items is going to take a while we will give you the choice either wait for everything to arrive or let us send the available items now and deliver the rest later. It is up to you.
- We use trusted delivery partners to make sure your order gets to you safely and on time. We use DPD for next working day deliveries and Royal Mail for the 2 day option.
- As soon as your order is on its way we will send you a tracking number by email. If you provide your mobile number at checkout we will also send delivery updates straight to your phone so you can keep an eye on progress.
- If a product is marked as "Dispatched within 3 working days" delivery usually takes around 3 to 5 working days from when your order is placed.
- For customers in Inverness and other parts of the Scottish Highlands deliveries can take up to 2 working days even if you select next day delivery as couriers do not currently offer a guaranteed next day service to those areas.