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Ultralight Rear

Renthal UltraLight Rear Chainwheels are CNC machined in Manchester, UK from 7075 T6 aluminum to extremely tight tolerances, 66% lighter than steel. Computer engineered and tested to ensure a precise fitment, concentricity and load dispersion with tooth profiling to provide maximum power transfer.

With Renthal's combination of high strength base material, cutting edge manufacturing methods and exceptional hardwearing surface treatments its clear to see why Renthal’s light weight all aluminum rear sprockets can be found on the rear wheels of more factory race team machines than all other competing brands combined.

For the best way to find the correct chainwheel for your motorcycle, use our Fit My Bike Parts Finder.


Useful Ultralight™ Rear Chainwheel Links
Installation Instructions Street / Road Ultralight™ Rear Chainwheels
Accordion
Designed to keep revolving un-sprung mass to an absolute minimum and power transfer at a maximum, Renthal Ultralight™ rear chainwheels are 66% lighter than steel.
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Each Ultralight™ Rear Chainwheel that leaves Renthal's engineering facilities in the UK is individually CNC machined to the tightest possible tolerances, ensuring an accurate and reliable fit.
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High strength specially enhanced 7075 T6 aluminium alloy is used to create the perfect rear chainwheel, that is both lightweight, durable and strong.
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Ultralight™ Rear Chainwheels feature Renthal's self cleaning mud groove technology between each tooth. This prevents mud build up that traditionally leads to quicker wearing components.
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Ultralight Rear Chainwheels are available in 6 colours to help you personalise your setup. The available colours are Black, Blue, Red, Green, Orange and Silver. The anodised surface finish provides an integral coating preventing corrosion. A 15 step process is carefully carried on on each chainwheel individually.
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Renthal Ultralight™ chainwheels are used by more factory motocross and supercross teams than any other chainwheel in the world
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Name Part Number A B C D E F Prices From: Purchase
223U-520 ULTRALIGHT GROOVED, 37T 223U-520-37GPSI - - - - - - $93.45 Ex Tax: $93.45
223U-520 ULTRALIGHT GROOVED, 38T 223U-520-38GPSI - - - - - - $93.45 Ex Tax: $93.45
223U-520 ULTRALIGHT GROOVED, 39T 223U-520-39GPSI - - - - - - $93.45 Ex Tax: $93.45
223U-520 ULTRALIGHT GROOVED, 40T 223U-520-40GPSI - - - - - - Contact Distributor
223U-520 ULTRALIGHT GROOVED, 41T 223U-520-41GPSI - - - - - - Contact Distributor
224U-520 ULTRALIGHT GROOVED, 38T 224U-520-38GPSI - - - - - - Contact Distributor
224U-520 ULTRALIGHT GROOVED, 39T 224U-520-39GPSI - - - - - - Contact Distributor
224U-520 ULTRALIGHT GROOVED, 41T 224U-520-41GPSI - - - - - - Contact Distributor
224U-520 ULTRALIGHT GROOVED, 46T 224U-520-46 - - - - - - Black, Orange, Silver $93.45 Ex Tax: $93.45
224U-520 ULTRALIGHT GROOVED, 53T 224U-520-53 - - - - - - Black, Orange, Silver $93.45 Ex Tax: $93.45
228--520 STANDARD, 48T 228--520-48P-HA - - - - - - Contact Distributor
230--428 STANDARD, 44T 230--428-44P-HA - - - - - - Contact Distributor
232U-520 ULTRALIGHT, 37T 232U-520-37P-HA - - - - - - Contact Distributor
232U-520 ULTRALIGHT, 38T 232U-520-38P-HA - - - - - - Contact Distributor
232U-520 ULTRALIGHT, 39T 232U-520-39P-HA - - - - - - Contact Distributor
232U-520 ULTRALIGHT, 40T 232U-520-40P-HA - - - - - - Contact Distributor
232U-520 ULTRALIGHT, 41T 232U-520-41P-HA - - - - - - $93.45 Ex Tax: $93.45
232U-520 ULTRALIGHT, 42T 232U-520-42P-HA - - - - - - $93.45 Ex Tax: $93.45
233U-520 ULTRALIGHT GROOVED, 40T 233U-520-40GPSI - - - - - - Contact Distributor
236--520 STANDARD, 37T 236--520-37P-HA - - - - - - $93.45 Ex Tax: $93.45
236--520 STANDARD, 38T 236--520-38P-HA - - - - - - Contact Distributor
236--520 STANDARD, 39T 236--520-39P-HA - - - - - - $93.45 Ex Tax: $93.45
236--520 STANDARD, 40T 236--520-40P-HA - - - - - - $93.45 Ex Tax: $93.45
236--520 STANDARD, 41T 236--520-41P-HA - - - - - - $93.45 Ex Tax: $93.45
236--520 STANDARD, 42T 236--520-42P-HA - - - - - - $93.45 Ex Tax: $93.45
236--520 STANDARD, 43T 236--520-43P-HA - - - - - - Contact Distributor
236--520 STANDARD, 44T 236--520-44P-HA - - - - - - Contact Distributor
236--520 STANDARD, 45T 236--520-45P-HA - - - - - - Contact Distributor
236--520 STANDARD, 46T 236--520-46P-HA - - - - - - Contact Distributor
236--520 STANDARD, 48T 236--520-48P-HA - - - - - - Contact Distributor
Dimensions Explained
handlebar dimensions