FREE SHIPPING for UK orders above £75 ×
sales@mybikebits.co.uk

FAQAboutContactBlog
0 Wish Lists
0 My Cart

Your cart is currently empty.

Continue shopping
Total: £0.00
View cart
Toggle menu
0

Rear Sprockets

Upgrade your bike’s performance with premium rear motorcycle sprockets from MyBikeBits.co.uk. Whether you need a rear sprocket for 125cc motorcycle replacement or a high-durability upgrade for track or touring, our collection delivers precision engineering, improved power transfer and long service life. We stock trusted brands including JT Sprockets and AFAM, with options in multiple tooth sizes to fine-tune acceleration and top speed.

Designed for road, off-road and race applications, our rear sprockets pair perfectly with new chains and front sprockets for complete drivetrain efficiency. Also check out our;

AFAM Front Sprockets, JT Sprockets Front Sprockets, Moto-Master Front Sprockets, Renthal Front Sprockets, RK Front Sprockets, Supersprox Front Sprockets

× Close

Categories
Sold out
Renthal Rear Motorcycle Sprocket Ultralight Grooved 189U-428 Quick View
Renthal

Renthal Rear Motorcycle Sprocket Ultralight Grooved 189U-428

£25.60
189U-428-49GRSI
Chains & Sprockets Final Drive Rear Sprockets Renthal Renthal Rear Sprockets
Renthal® Ultralight™ Hard Anodised Rear Chainwheels are specifically designed for Street and road racing applications. CNC machined from the same 7075 T6 material as their...
Sold out
Renthal Rear Motorcycle Sprocket Ultralight Grooved 154U-428 Quick View
Renthal

Renthal Rear Motorcycle Sprocket Ultralight Grooved 154U-428

£25.60
154U-428-59GRSI
Chains & Sprockets Final Drive Rear Sprockets Renthal Renthal Rear Sprockets
Renthal® Ultralight™ Hard Anodised Rear Chainwheels are specifically designed for Street and road racing applications. CNC machined from the same 7075 T6 material as their...
Renthal Rear Motorcycle Sprocket Ultralight Grooved 121U-428 Quick View
Quick Add
Renthal

Renthal Rear Motorcycle Sprocket Ultralight Grooved 121U-428

£47.94
121U-428-44GPSI
Chains & Sprockets Final Drive Rear Sprockets Renthal Renthal Rear Sprockets
Renthal UltraLight Rear Chainwheels are CNC machined in Manchester, UK from 7075 T6 aluminum to extremely tight tolerances, 66% lighter than steel. Computer engineered...
Quick Add
Sold out
Renthal Rear Motorcycle Sprocket Ultralight Grooved 430U-420 Quick View
Renthal

Renthal Rear Motorcycle Sprocket Ultralight Grooved 430U-420

£32.00
430U-420-33GESI
Chains & Sprockets Final Drive Rear Sprockets Renthal Renthal Rear Sprockets
Renthal UltraLight Rear Chainwheels are CNC machined in Manchester, UK from 7075 T6 aluminum to extremely tight tolerances, 66% lighter than steel. Computer engineered...
Renthal Rear Motorcycle Sprocket Ultralight 408U-420 Quick View
Quick Add
Renthal

Renthal Rear Motorcycle Sprocket Ultralight 408U-420

£53.28
408U-420-46GEGN
Chains & Sprockets Final Drive Rear Sprockets Renthal Renthal Rear Sprockets
Renthal UltraLight Rear Chainwheels are CNC machined in Manchester, UK from 7075 T6 aluminum to extremely tight tolerances, 66% lighter than steel. Computer engineered...
Quick Add
Renthal Rear Motorcycle Sprocket Ultralight Grooved 192U-420 Quick View
Quick Add
Renthal

Renthal Rear Motorcycle Sprocket Ultralight Grooved 192U-420

£47.94
192U-420-44GPSI
Chains & Sprockets Final Drive Rear Sprockets Renthal Renthal Rear Sprockets
Renthal UltraLight Rear Chainwheels are CNC machined in Manchester, UK from 7075 T6 aluminum to extremely tight tolerances, 66% lighter than steel. Computer engineered...
Quick Add
Renthal Rear Motorcycle Sprocket Ultralight Grooved 191U-420 Quick View
Quick Add
Renthal

Renthal Rear Motorcycle Sprocket Ultralight Grooved 191U-420

£53.28
191U-420-49GEGN
Chains & Sprockets Final Drive Rear Sprockets Renthal Renthal Rear Sprockets
Renthal UltraLight Rear Chainwheels are CNC machined in Manchester, UK from 7075 T6 aluminum to extremely tight tolerances, 66% lighter than steel. Computer engineered...
Quick Add
Sold out
Renthal Rear Motorcycle Sprocket Ultralight Grooved 168U-420 Quick View
Renthal

Renthal Rear Motorcycle Sprocket Ultralight Grooved 168U-420

£31.43
168U-420-36GRSI
Chains & Sprockets Final Drive Rear Sprockets Renthal Renthal Rear Sprockets
Renthal UltraLight Rear Chainwheels are CNC machined in Manchester, UK from 7075 T6 aluminum to extremely tight tolerances, 66% lighter than steel. Computer engineered...
Renthal Rear Motorcycle Sprocket Ultralight Grooved 141U-420 Quick View
Quick Add
Renthal

Renthal Rear Motorcycle Sprocket Ultralight Grooved 141U-420

£46.88
141U-420-46GPHA
Chains & Sprockets Final Drive Rear Sprockets Renthal Renthal Rear Sprockets
Renthal UltraLight Rear Chainwheels are CNC machined in Manchester, UK from 7075 T6 aluminum to extremely tight tolerances, 66% lighter than steel. Computer engineered...
Quick Add
Renthal Rear Motorcycle Sprocket Ultralight Grooved 121U-420 Quick View
Quick Add
Renthal

Renthal Rear Motorcycle Sprocket Ultralight Grooved 121U-420

£52.20
121U-420-47GBBU
Chains & Sprockets Final Drive Rear Sprockets Renthal Renthal Rear Sprockets
Renthal UltraLight Rear Chainwheels are CNC machined in Manchester, UK from 7075 T6 aluminum to extremely tight tolerances, 66% lighter than steel. Computer engineered...
Quick Add
Renthal Rear Motorcycle Sprocket Ultralight 480-415 Quick View
Quick Add
Renthal

Renthal Rear Motorcycle Sprocket Ultralight 480-415

£66.08
480--415-38P-OR
Chains & Sprockets Final Drive Rear Sprockets Renthal Renthal Rear Sprockets
The origins of high performance chainwheels in motocross began at the Renthal® Factory in Manchester, UK. By applying the same relentless obsession to perfection...
Quick Add
Items 397 to 407 of 407 total
compare

Rear Motorcycle Sprockets for Ultimate Drivetrain Performance

Our premium range of rear motorcycle sprockets UK is designed for riders who want a perfect blend of durability, precision fitment and improved power transfer. Whether you’re refreshing a worn sprocket or tuning your gearing for road, trail or track use, you’ll find high-quality sprockets from trusted brands in one place.

High-Quality 520 & 525 Rear Sprockets for Street & Off-Road

Choose from a variety of 520 pitch and 525 pitch rear sprockets to match your bike’s chain and riding style. These widely used sizes ensure optimum chain alignment, smoother acceleration and reliable power delivery across a broad range of motorcycles.

CNC Machined Lightweight Rear Sprockets for Better Handling

Our selection includes CNC machined lightweight rear sprockets that reduce rotational mass without sacrificing strength. Lighter sprockets improve throttle response and handling whether you’re commuting or pushing your bike on sporty rides.

Heavy-Duty Steel Rear Sprockets for Longevity

For riders focused on durability, explore heavy-duty steel rear sprockets that stand up to frequent use and harsh conditions. These tough sprockets are ideal if you want extended service life and dependable performance even in demanding environments.

Rear Sprocket Size Guide & Fitment Info

If you’re unsure what size or tooth count your bike needs, our rear sprocket size guide & fitment info helps you pick the right sprocket based on your chain pitch and riding goals. Correct sizing is key to efficient drivetrain performance and smoother shifting.

Featured Brands

×

Someone recently bought a

Your cart

×
×