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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

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Renthal Rear Motorcycle Sprocket Ultralight 184U-525 Quick View
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Renthal

Renthal Rear Motorcycle Sprocket Ultralight 184U-525

£49.54
184U-525-39P-HA
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...
Quick Add
Renthal Rear Motorcycle Sprocket Ultralight 179U-525 Quick View
Renthal

Renthal Rear Motorcycle Sprocket Ultralight 179U-525

£49.54
179U-525-42P-HA
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...
Renthal Rear Motorcycle Sprocket Ultralight Grooved 511U-520 Quick View
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Renthal

Renthal Rear Motorcycle Sprocket Ultralight Grooved 511U-520

£62.65
511U-520-40P-HA
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...
Quick Add
Renthal Rear Motorcycle Sprocket Ultralight Grooved 507U-520 Quick View
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Renthal

Renthal Rear Motorcycle Sprocket Ultralight Grooved 507U-520

£45.28
507U-520-43GPSI
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...
Quick Add
Renthal Rear Motorcycle Sprocket Ultralight Grooved 483U-520 Quick View
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Renthal

Renthal Rear Motorcycle Sprocket Ultralight Grooved 483U-520

£48.48
483U-520-36GPSI
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...
Quick Add
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Renthal Rear Motorcycle Sprocket Ultralight Grooved 463U-520 Quick View
Renthal

Renthal Rear Motorcycle Sprocket Ultralight Grooved 463U-520

£44.79
463U-520-36GPOR
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...
Renthal Rear Motorcycle Sprocket Ultralight Grooved 437U-520 Quick View
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Renthal

Renthal Rear Motorcycle Sprocket Ultralight Grooved 437U-520

£44.20
437U-520-36GBSI
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 435U-520 Quick View
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Renthal

Renthal Rear Motorcycle Sprocket Ultralight 435U-520

£45.28
435U-520-38P-HA
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 409U-520 Quick View
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Renthal

Renthal Rear Motorcycle Sprocket Ultralight 409U-520

£45.28
409U-520-40P-HA
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 357U-520 Quick View
Renthal

Renthal Rear Motorcycle Sprocket Ultralight 357U-520

£44.79
357U-520-41P-HA
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 348U-520 Quick View
Renthal

Renthal Rear Motorcycle Sprocket Ultralight Grooved 348U-520

£53.28
348U-520-51GPSI
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 330U-520 Quick View
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Renthal

Renthal Rear Motorcycle Sprocket Ultralight 330U-520

£39.47
330U-520-38P-HA
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 250U-520 Quick View
Renthal

Renthal Rear Motorcycle Sprocket Ultralight 250U-520

£44.79
250U-520-40P-HA
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...
Sold out
Renthal Rear Motorcycle Sprocket Ultralight 240U-520 Quick View
Renthal

Renthal Rear Motorcycle Sprocket Ultralight 240U-520

£44.79
240U-520-42P-HA
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...
Sold out
Renthal Rear Motorcycle Sprocket Ultralight Grooved 233U-520 Quick View
Renthal

Renthal Rear Motorcycle Sprocket Ultralight Grooved 233U-520

£41.00
233U-520-40GPSI
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 223U-520 Quick View
Quick Add
Renthal

Renthal Rear Motorcycle Sprocket Ultralight Grooved 223U-520

£44.20
223U-520-36GPSI
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 offroad...
Quick Add
Renthal Rear Motorcycle Sprocket Ultralight Grooved 216U-520 Quick View
Quick Add
Renthal

Renthal Rear Motorcycle Sprocket Ultralight Grooved 216U-520

£47.94
216U-520-38GPSI
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...
Quick Add
Renthal Rear Motorcycle Sprocket Ultralight 215U-520 Quick View
Quick Add
Renthal

Renthal Rear Motorcycle Sprocket Ultralight 215U-520

£52.06
215U-520-42P-HA
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...
Quick Add
Renthal Rear Motorcycle Sprocket Ultralight Grooved 214U-520 Quick View
Quick Add
Renthal

Renthal Rear Motorcycle Sprocket Ultralight Grooved 214U-520

£50.45
214U-520-41GPSI
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...
Quick Add
Renthal Rear Motorcycle Sprocket Ultralight 210U-520 Quick View
Quick Add
Renthal

Renthal Rear Motorcycle Sprocket Ultralight 210U-520

£45.28
210U-520-41P-HA
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 offroad...
Quick Add
Renthal Rear Motorcycle Sprocket Ultralight Grooved 203U-520 Quick View
Quick Add
Renthal

Renthal Rear Motorcycle Sprocket Ultralight Grooved 203U-520

£50.83
203U-520-38GPSI
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 offroad...
Quick Add
Sold out
Renthal Rear Motorcycle Sprocket Ultralight 200U-520 Quick View
Renthal

Renthal Rear Motorcycle Sprocket Ultralight 200U-520

£44.79
200U-520-45P-HA
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 offroad...
Sold out
Renthal Rear Motorcycle Sprocket Ultralight Grooved 200U-520 Quick View
Renthal

Renthal Rear Motorcycle Sprocket Ultralight Grooved 200U-520

£44.79
200U-520-42GPSI
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 offroad...
Renthal Rear Motorcycle Sprocket Ultralight 199U-520 Quick View
Quick Add
Renthal

Renthal Rear Motorcycle Sprocket Ultralight 199U-520

£52.06
199U-520-39P-HA
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 offroad...
Quick Add
Sold out
Renthal Rear Motorcycle Sprocket Ultralight Grooved 150V-520 Quick View
Renthal

Renthal Rear Motorcycle Sprocket Ultralight Grooved 150V-520

£44.79
150V-520-48GBBU
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 146U-520 Quick View
Quick Add
Renthal

Renthal Rear Motorcycle Sprocket Ultralight Grooved 146U-520

£36.14
146U-520-40GPSI
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...
Quick Add
Renthal Rear Motorcycle Sprocket Ultralight Grooved 141U-520 Quick View
Quick Add
Renthal

Renthal Rear Motorcycle Sprocket Ultralight Grooved 141U-520

£47.94
141U-520-39GPBK
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...
Quick Add
Renthal Rear Motorcycle Sprocket Ultralight Grooved 131V-520 Quick View
Quick Add
Renthal

Renthal Rear Motorcycle Sprocket Ultralight Grooved 131V-520

£53.28
131V-520-48GPSI
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...
Quick Add
Renthal Rear Motorcycle Sprocket Ultralight Grooved 131U-520 Quick View
Quick Add
Renthal

Renthal Rear Motorcycle Sprocket Ultralight Grooved 131U-520

£48.48
131U-520-46GBSI
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...
Quick Add
Renthal Rear Motorcycle Sprocket Ultralight Grooved 130U-520 Quick View
Quick Add
Renthal

Renthal Rear Motorcycle Sprocket Ultralight Grooved 130U-520

£44.20
130U-520-40GBSI
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...
Quick Add
Sold out
Renthal Rear Motorcycle Sprocket Grooved 129-520 Quick View
Renthal

Renthal Rear Motorcycle Sprocket Grooved 129-520

£44.79
129--520-43GPSI
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 124U-520 Quick View
Renthal

Renthal Rear Motorcycle Sprocket Ultralight 124U-520

£52.20
124U-520-43P-HA
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 123U-520 Quick View
Quick Add
Renthal

Renthal Rear Motorcycle Sprocket Ultralight Grooved 123U-520

£47.94
123U-520-40GYSI
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 112U-520 Quick View
Quick Add
Renthal

Renthal Rear Motorcycle Sprocket Ultralight Grooved 112U-520

£50.83
112U-520-42GESI
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 Standard 230-428 Quick View
Renthal

Renthal Rear Motorcycle Sprocket Standard 230-428

£41.00
230--428-44P-HA
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...
Renthal Rear Motorcycle Sprocket Ultralight Grooved 191U-428 Quick View
Quick Add
Renthal

Renthal Rear Motorcycle Sprocket Ultralight Grooved 191U-428

£47.94
191U-428-49GESI
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
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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.

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