Buy wisely
Buy wiselyBuy wisely
For RetailersFor developers
  1. Home
  2. Sports & Outdoor
  3. Cycling
  4. Electric Bicycles
  5. Shimano CS-R8100 Ultegra 12-Speed Cassette, 11-34T
Buy wisely

BuyWisely is your one stop price comparison platform, delivering the best deals from over 20,000 online shops. We empower shoppers to make smart, cost-effective choices by offering transparent pricing, price history, and the latest deals across a broad range of products. With BuyWisely, your money goes further.

Popular Shops
JB Hi-Fi
The Good Guys
Harvey Norman
Appliances Online
Bing Lee
Kogan
Amazon
Officeworks
Contact Us
[email protected]
Affiliate Disclosure
Legal Information
Privacy Policy
Logos provided by Logo.dev
© 2026 BuyWisely•Price data powered by pricesAPI.io•Retailers: SellWisely.io

Price comparison

Price data powered by pricesAPI.io

Last updated at 12/05/2026 05:02:58

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.
AliExpress.com - AliExpress-226247430

$89.39

SHIMANO ULTEGRA CS-R8100 12S 11-34T Cassette 12Speed 11-34T Bike Cassette For Road Bike HYPERGLIDE

Delivery $14.68

AliExpress.com - AliExpress-226247430

$164.45

SHIMANO ULTEGRA R8100 Cassette Sprocket 11-30T/11-34T 12 Speed CS-R8100 12S For Road Bike Freewheel

Delivery $15.58

eBay.com.au

$111.00

Shimano Ultegra Cs-r8100 11-34t 12-speed Bike Cassette "typical Wear"

Free delivery

Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

Saint Cloud

$129.95

Shimano Ultegra CS-R8100 12-Speed Cassette 11-34

Free delivery between 18–22 May

The Bicycle Company

$146.49

Shimano CS-R8100 12 Speed Ultegra Cassette Ultegra (11-34T)

Delivery $15

BikeForce Clarkson

$155.00

Shimano Shimano Ultegra Cs-R8101 12 Speed Casssette 11-34

Delivery between 18–22 May $10

Berwick Cycles

$168.00

Shimano CS-R8100 Cassette 11-34 Ultegra 12-Speed

Free delivery between 18–26 May

Alchemy Cycle Trader

$169.99

Shimano CS-R8100 Cassette 11-34 Ultegra 12Spd

Delivery $15

Mackay Cycles

$199.00

Cassette Sprocket,Cs-R8100, Ultegra, 12-Speed, 11-34

Free delivery

GoSupps.com

$235.13

Shimano Ultegra CS-R8100 Cassette - 12-Speed, 11-34t, Silver

Delivery between 13–25 May $27.65

Price history

Price history

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.

Specification

Bike TypeRoad Bike
Brake typeLinear Pull
Number of speeds12
SportCycling
Product dimensions19.05 x 7.62 x 20.32 cm; 453.59 Grams

Price comparison

Updated 30 days ago
Please note: price history and price alerts are not available for some stores, including Amazon.com.au.
AliExpress.com - AliExpress-226247430

$89.39

SHIMANO ULTEGRA CS-R8100 12S 11-34T Cassette 12Speed 11-34T Bike Cassette For Road Bike HYPERGLIDE

Delivery $14.68

AliExpress.com - AliExpress-226247430

$164.45

SHIMANO ULTEGRA R8100 Cassette Sprocket 11-30T/11-34T 12 Speed CS-R8100 12S For Road Bike Freewheel

Delivery $15.58

eBay.com.au

$111.00

Shimano Ultegra Cs-r8100 11-34t 12-speed Bike Cassette "typical Wear"

Free delivery

Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

Saint Cloud

$129.95

Shimano Ultegra CS-R8100 12-Speed Cassette 11-34

Free delivery between 18–22 May

The Bicycle Company

$146.49

Shimano CS-R8100 12 Speed Ultegra Cassette Ultegra (11-34T)

Delivery $15

Price history

Price history

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.

Specification

Bike TypeRoad Bike
Brake typeLinear Pull
Number of speeds12
SportCycling
Product dimensions19.05 x 7.62 x 20.32 cm; 453.59 Grams

You may also like

Shimano Ultegra CS-R8100 Cassette Beige 12s / 11-30t
Shimano Ultegra CS-R8100 Cassette Beige 12s / 11-30t$88.00 - $223.00
217
Compare 35 offers
Shimano CS-R8000 Cassette Ultegra 11-Speed
Shimano CS-R8000 Cassette Ultegra 11-Speed$77.08 - $169.99
3,407
Compare 27 offers
Shimano CS-R8000 Ultegra 11 Speed Cassette
Shimano CS-R8000 Ultegra 11 Speed Cassette$89.99 - $169.99
3,416
Compare 24 offers
Shimano CS-6700 Cassette 11-23 10-Speed Ultegra
Shimano CS-6700 Cassette 11-23 10-Speed Ultegra$66.48 - $169.95
1,722
Compare 29 offers
Shimano CS-R8100 Ultegra 12-Speed Cassette, 11-34T
Shimano CS-R8100 Ultegra 12-Speed Cassette, 11-34T
Shimano CS-R8100 Ultegra 12-Speed Cassette, 11-34T
Shimano CS-R8100 Ultegra 12-Speed Cassette, 11-34T
Shimano CS-R8100 Ultegra 12-Speed Cassette, 11-34T
Shimano CS-R8100 Ultegra 12-Speed Cassette, 11-34T
Shimano CS-R8100 Ultegra 12-Speed Cassette, 11-34T

Shimano CS-R8100 Ultegra 12-Speed Cassette, 11-34T

$89.39

(370 reviews)

Shimano Ultegra R8100 12 Spd Road Cassette ULTEGRA 8100: Join the Pursuit of Next Level Speed Shimano s new ULTEGRA line-up dives into what is ready behind the science of speed with real-world applications. Following in the footsteps of the DURA-ACE design philosophy, and using many of the same product designs, including the new addition of the 12-speed rear, ULTEGRA is joining the pursuit of next level speed. DURA-ACE shared DNA The new R8100 series is designed for those seeking their next competitive advantage. Sharing the same DNA offering the same incredible performance of the R9200 series across all functions, empowering the rider to take their ride to the next level. Shimano s Fastest Shifting Ever! Sharing the superior DNA, the ULTEGRA Di2 platform also has the improved system design across its electronics. Increasing the processing efficiency between motor, gears and the overall transmission performance enabled the system to reach its fastest speed ever! Better yet, now also keeping your wireless systems even more secure, the new high security, fast-processing, low power consumption proprietary chip sets the new standard. Smoother Drivetrain ULTEGRA now features two new 12-speed HYPERGLIDE+ cassettes (11-30 and 11-34 ratios) with ramped profiles ensuring quick and shockless shifting and ultimately smoother changes whether changing up or down gears staying on the acceleration.

Shimano Ultegra R8100 12 Spd Road Cassette ULTEGRA 8100: Join the Pursuit of Next Level Speed Shimano s new ULTEGRA line-up dives into what is ready behind the science of speed with real-world applications. Following in the footsteps of the DURA-ACE design philosophy, and using many of the same product designs, including the new addition of the 12-speed rear, ULTEGRA is joining the pursuit of next level speed. DURA-ACE shared DNA The new R8100 series is designed for those seeking their next competitive advantage. Sharing the same DNA offering the same incredible performance of the R9200 series across all functions, empowering the rider to take their ride to the next level. Shimano s Fastest Shifting Ever! Sharing the superior DNA, the ULTEGRA Di2 platform also has the improved system design across its electronics. Increasing the processing efficiency between motor, gears and the overall transmission performance enabled the system to reach its fastest speed ever! Better yet, now also keeping your wireless systems even more secure, the new high security, fast-processing, low power consumption proprietary chip sets the new standard. Smoother Drivetrain ULTEGRA now features two new 12-speed HYPERGLIDE+ cassettes (11-30 and 11-34 ratios) with ramped profiles ensuring quick and shockless shifting and ultimately smoother changes whether changing up or down gears staying on the acceleration.

Shimano CS-R8100 Ultegra 12-Speed Cassette, 11-34T

(370 reviews)

Shimano Ultegra R8100 12 Spd Road Cassette ULTEGRA 8100: Join the Pursuit of Next Level Speed Shimano s new ULTEGRA line-up dives into what is ready behind the science of speed with real-world applications. Following in the footsteps of the DURA-ACE design philosophy, and using many of the same product designs, including the new addition of the 12-speed rear, ULTEGRA is joining the pursuit of next level speed. DURA-ACE shared DNA The new R8100 series is designed for those seeking their next competitive advantage. Sharing the same DNA offering the same incredible performance of the R9200 series across all functions, empowering the rider to take their ride to the next level. Shimano s Fastest Shifting Ever! Sharing the superior DNA, the ULTEGRA Di2 platform also has the improved system design across its electronics. Increasing the processing efficiency between motor, gears and the overall transmission performance enabled the system to reach its fastest speed ever! Better yet, now also keeping your wireless systems even more secure, the new high security, fast-processing, low power consumption proprietary chip sets the new standard. Smoother Drivetrain ULTEGRA now features two new 12-speed HYPERGLIDE+ cassettes (11-30 and 11-34 ratios) with ramped profiles ensuring quick and shockless shifting and ultimately smoother changes whether changing up or down gears staying on the acceleration.

Shimano Ultegra R8100 12 Spd Road Cassette ULTEGRA 8100: Join the Pursuit of Next Level Speed Shimano s new ULTEGRA line-up dives into what is ready behind the science of speed with real-world applications. Following in the footsteps of the DURA-ACE design philosophy, and using many of the same product designs, including the new addition of the 12-speed rear, ULTEGRA is joining the pursuit of next level speed. DURA-ACE shared DNA The new R8100 series is designed for those seeking their next competitive advantage. Sharing the same DNA offering the same incredible performance of the R9200 series across all functions, empowering the rider to take their ride to the next level. Shimano s Fastest Shifting Ever! Sharing the superior DNA, the ULTEGRA Di2 platform also has the improved system design across its electronics. Increasing the processing efficiency between motor, gears and the overall transmission performance enabled the system to reach its fastest speed ever! Better yet, now also keeping your wireless systems even more secure, the new high security, fast-processing, low power consumption proprietary chip sets the new standard. Smoother Drivetrain ULTEGRA now features two new 12-speed HYPERGLIDE+ cassettes (11-30 and 11-34 ratios) with ramped profiles ensuring quick and shockless shifting and ultimately smoother changes whether changing up or down gears staying on the acceleration.

$89.39 - $686.23

in 11 offers

The lowest price for Shimano CS-R8100 Ultegra 12-Speed Cassette, 11-34T right now is $89.39 at AliExpress.com - AliExpress-226247430, compared across 10 retailers.

The all-time low was $75.38 on 27 Apr 2026 — today's price is 19% above the lowest ever. That's a little above the best price we've seen.

Prices last updated 12 May 2026.

Size:

11-30
Icsr810012130