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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
240U-520 ULTRALIGHT, 42T 240U-520-42P-HA - - - - - - $93.45 Ex Tax: $93.45
240U-520 ULTRALIGHT, 43T 240U-520-43P-HA - - - - - - $93.45 Ex Tax: $93.45
250U-520 ULTRALIGHT, 40T 250U-520-40P-HA - - - - - - $93.45 Ex Tax: $93.45
250U-520 ULTRALIGHT, 43T 250U-520-43P-HA - - - - - - Contact Distributor
264--520 GROOVED, 39T 264--520-39P-SI - - - - - - Contact Distributor
267A-520 STANDARD, 38T 267A-520-38P-HA - - - - - - $93.45 Ex Tax: $93.45
267A-520 STANDARD, 39T 267A-520-39P-HA - - - - - - $93.45 Ex Tax: $93.45
267A-520 STANDARD, 40T 267A-520-40P-HA - - - - - - $93.45 Ex Tax: $93.45
267A-520 STANDARD, 41T 267A-520-41P-HA - - - - - - Contact Distributor
330U-520 ULTRALIGHT, 38T 330U-520-38P-HA - - - - - - $93.45 Ex Tax: $93.45
330U-520 ULTRALIGHT, 40T 330U-520-40P-HA - - - - - - Contact Distributor
330U-520 ULTRALIGHT, 42T 330U-520-42P-HA - - - - - - Contact Distributor
330U-520 ULTRALIGHT, 44T 330U-520-44P-HA - - - - - - Contact Distributor
330U-520 ULTRALIGHT, 46T 330U-520-46P-HA - - - - - - Contact Distributor
330U-520 ULTRALIGHT, 47T 330U-520-47P-HA - - - - - - Contact Distributor
330U-520 ULTRALIGHT, 48T 330U-520-48P-HA - - - - - - Contact Distributor
348U-520 ULTRALIGHT GROOVED, 51T 348U-520-51GPSI - - - - - - $93.45 Ex Tax: $93.45
357U-520 ULTRALIGHT, 41T 357U-520-41P-HA - - - - - - Contact Distributor
357U-520 ULTRALIGHT, 42T 357U-520-42P-HA - - - - - - Contact Distributor
357U-520 ULTRALIGHT, 43T 357U-520-43P-HA - - - - - - Contact Distributor
357U-520 ULTRALIGHT, 44T 357U-520-44P-HA - - - - - - Contact Distributor
357U-520 ULTRALIGHT, 45T 357U-520-45P-HA - - - - - - Contact Distributor
357U-520 ULTRALIGHT, 46T 357U-520-46P-HA - - - - - - Contact Distributor
357U-520 ULTRALIGHT, 47T 357U-520-47P-HA - - - - - - Contact Distributor
358--520 STANDARD, 36T 358--520-36P-HA - - - - - - $93.45 Ex Tax: $93.45
358--520 STANDARD, 37T 358--520-37P-HA - - - - - - Contact Distributor
358--520 STANDARD, 38T 358--520-38P-HA - - - - - - $93.45 Ex Tax: $93.45
358--520 STANDARD, 39T 358--520-39P-HA - - - - - - Contact Distributor
358--520 STANDARD, 42T 358--520-42P-HA - - - - - - Contact Distributor
358--520 STANDARD, 43T 358--520-43P-HA - - - - - - $93.45 Ex Tax: $93.45
Dimensions Explained
handlebar dimensions