MOTO-MASTER REAR SPROCKET 520 51T BK

§ 01 / Part

12112069 REAR SPROCKET 520 51T BK

Fits 16 bikes
RRP £44.81 Save 15%
£38.09

incl. VAT

In stock — ships in 3 working days

Usually dispatched within 3 working days.

Part #: 12112069

Authorised stockist

MOTO-MASTER

14-day returns

Easy & hassle-free

Secure checkout

256-bit encryption

§ 02 / About this part

What it is

The MOTO-MASTER REAR SPROCKET 520 51T BK, motocross part. Stocked by Iron Offroad, the UK MX hard parts specialist.

This rear sprocket mounts to your rear hub to manage final drive delivery. It is machined from aluminium to reduce unsprung weight. This improves your suspension response over rough ground. Replace this part when teeth show visible hooking or thinning. Always fit a new chain and front sprocket at the same time. This ensures even wear across your entire drivetrain. Use new sprocket bolts and thread lock during installation. This component is model-specific to match your hub's bolt pattern. It is a standard upgrade for race-focused MX and enduro setups where weight savings are critical.

§ 03 / Specs

The numbers

Brand
MOTO-MASTER
Part number
12112069
Weight
0.43 kg
VAT
20%

// Fitment

Will it fit your bike?

Fits 16 models · 17 year-bands

* Fitment data is provided as a guide. Verify compatibility against the bike's owner's manual or service handbook before ordering. Iron Offroad accepts no liability for incorrect application. Full terms and conditions apply.

§ 05 / About Iron Offroad

Iron Offroad

Iron Offroad is the off-road sibling of Iron City and Iron Stable — a UK shop for motocross, enduro, and trail-bike hard parts. Every fitment lives on the site, listed against KTM, Husqvarna, GasGas, Yamaha, Honda, Kawasaki, Suzuki, and Beta. Pick your bike on the timing-tower. Our USP is the data: fully enriched fitment so you find the right part for your bike quickly and get it fitted accurately. Brands you'd find on a paddock workbench — pads, sprockets, plastics, fork seals, cables, gaskets, bars, the things that actually wear out. Road-bike kit, scooter parts, and quad gear sit elsewhere; dirt and e-moto only. We operate from our storage facility in Leeds. Iron Offroad is a trading name of Iron Stable Ltd, registered in Mildenhall — Company No. 17061294. The business has a rich motorcycle history across multiple moto brands — the photos show where we came from — and recently pivoted into hard parts and online retail.
Iron Offroad Iron Offroad Iron Offroad Iron Offroad Iron Offroad
Free UK shipping over £100 14-day no-quibble returns OEM-grade parts only UK support · Tue–Fri 9–5, Sat 9–4 Race-shop prices, paddock service Collection from Leeds by arrangement
Free UK shipping over £100 14-day no-quibble returns OEM-grade parts only UK support · Tue–Fri 9–5, Sat 9–4 Race-shop prices, paddock service Collection from Leeds by arrangement