Buy wisely
Buy wiselyBuy wisely
For RetailersFor developers
  1. Home
Buy wisely

BuyWisely is your one stop price comparison platform, delivering the best deals from over 5,000 online stores. 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
Best Buy
Amazon
Walmart
Target
Home Depot
Costco
Newegg
Lowe's
Contact Us
andrew@buywisely.com.au
Affiliate Disclosure
Legal Information
Privacy Policy
Logos provided by Logo.dev
© 2026 BuyWisely•Price data powered by pricesAPI.io•Retailers: SellWisely.io
Shimano FC-R8100 Crank Silver 172.5 mm / 46-36T
Shimano FC-R8100 Crank Silver 172.5 mm / 46-36T
Shimano FC-R8100 Crank Silver 172.5 mm / 46-36T
Shimano FC-R8100 Crank Silver 172.5 mm / 46-36T
Shimano FC-R8100 Crank Silver 172.5 mm / 46-36T

Shimano FC-R8100 Crank Silver 172.5 mm / 46-36T

The Shimano Cranks - FC-R8100 Ultegra 12-speed double chainset offers an ideal balance of light weight and stiffness, making it a suitable choice for both enthusiast and competitive riders. The HollowGlide hollow outer chainring provides improvements in rigidity and shift performance, even under high load. The chainring teeth are designed to work in conjunction with 12-speed HG chains for increased contact and improved power transfer. The industry leading HollowTech II cold forged 4 arm hollow cranks have been evolved for maximum rigidity while reducing weight. A wide range of chainring options and crank arm lengths are available to meet the needs of all riders and racing disciplines. This unisex product is suitable for both men and women, and is available in various sizes to fit different riders.

The Shimano Cranks - FC-R8100 Ultegra 12-speed double chainset offers an ideal balance of light weight and stiffness, making it a suitable choice for both enthusiast and competitive riders. The HollowGlide hollow outer chainring provides improvements in rigidity and shift performance, even under high load. The chainring teeth are designed to work in conjunction with 12-speed HG chains for increased contact and improved power transfer. The industry leading HollowTech II cold forged 4 arm hollow cranks have been evolved for maximum rigidity while reducing weight. A wide range of chainring options and crank arm lengths are available to meet the needs of all riders and racing disciplines. This unisex product is suitable for both men and women, and is available in various sizes to fit different riders.

Size:

50-34 160mm
50-34 170mm
50-34 172.5mm
50/34 / 175mm
52-36 170mm
50/34t 172,5mm 12s

Shimano FC-R8100 Crank Silver 172.5 mm / 46-36T

The Shimano Cranks - FC-R8100 Ultegra 12-speed double chainset offers an ideal balance of light weight and stiffness, making it a suitable choice for both enthusiast and competitive riders. The HollowGlide hollow outer chainring provides improvements in rigidity and shift performance, even under high load. The chainring teeth are designed to work in conjunction with 12-speed HG chains for increased contact and improved power transfer. The industry leading HollowTech II cold forged 4 arm hollow cranks have been evolved for maximum rigidity while reducing weight. A wide range of chainring options and crank arm lengths are available to meet the needs of all riders and racing disciplines. This unisex product is suitable for both men and women, and is available in various sizes to fit different riders.

The Shimano Cranks - FC-R8100 Ultegra 12-speed double chainset offers an ideal balance of light weight and stiffness, making it a suitable choice for both enthusiast and competitive riders. The HollowGlide hollow outer chainring provides improvements in rigidity and shift performance, even under high load. The chainring teeth are designed to work in conjunction with 12-speed HG chains for increased contact and improved power transfer. The industry leading HollowTech II cold forged 4 arm hollow cranks have been evolved for maximum rigidity while reducing weight. A wide range of chainring options and crank arm lengths are available to meet the needs of all riders and racing disciplines. This unisex product is suitable for both men and women, and is available in various sizes to fit different riders.

52-36 172.5mm
52-36 175mm
160mm 36/52
175mm Crank Length | Mod. 22
165 mm
165mm 34/50
170 mm
170mm 12s
170mm/50-34t
172.5 mm
175 mm
175mm 34/50

Price comparison

Price data powered by pricesAPI.io

Last updated at 05/07/2026 10:42:11

Sorted Racegear

$562.81

Shimano FC-R8100 Ultegra 12-speed 50/34T 165 mm Double Chainset

Delivery between 13–19 May $28.12

Sorted Racegear

$562.81

Shimano FC-R8100 Ultegra 12-speed 50/34T 165 mm Double Chainset

Delivery between 13–19 May $28.12

Price history

Price history

Reviews

7 August 2024

originally posted on lazada.com.my

Click the image to buy the whole set. But it is only on the right. We should leave clear information so that customers can choose one set. Do you want to buy one from the left side? Took 1 more time to ship to the left. It is invisible to see if our shop has some information input to make customer confuse.

Can now pedal fast through corners
1 August 2024Gak

originally posted on sigmasports.com

Duraace quality with ultegra prices. I have had (mostly) ultegra on my bike, with a few crucial duraace components thrown in. When I needed a new chainset with shorter cranks, didn't hesitate to go for the ultegra variant again, lot better value and does as good a job.

Exactly as expected
8 August 2023Debs

originally posted on sigmasports.com

Bought a new Ultegra chainset which, was recommended after a bike fit. Collect in store was very quick and everything was exactly as expected. The staff at the Oakham store are very helpful & approachable. I could also use my Defence Discount Card so got an extra 10% off.

Price comparison

Updated about 1 month ago
Sorted Racegear

$562.81

Shimano FC-R8100 Ultegra 12-speed 50/34T 165 mm Double Chainset

Delivery between 13–19 May $28.12

Sorted Racegear

$562.81

Shimano FC-R8100 Ultegra 12-speed 50/34T 165 mm Double Chainset

Delivery between 13–19 May $28.12

Price history

Price history

Reviews

7 August 2024

Click the image to buy the whole set. But it is only on the right. We should leave clear information so that customers can choose one set. Do you want to buy one from the left side? Took 1 more time to ship to the left. It is invisible to see if our shop has some information input to make customer confuse.

originally posted on lazada.com.my
Can now pedal fast through corners
1 August 2024

Duraace quality with ultegra prices. I have had (mostly) ultegra on my bike, with a few crucial duraace components thrown in. When I needed a new chainset with shorter cranks, didn't hesitate to go for the ultegra variant again, lot better value and does as good a job.

Gak originally posted on sigmasports.com
Exactly as expected
8 August 2023

Bought a new Ultegra chainset which, was recommended after a bike fit. Collect in store was very quick and everything was exactly as expected. The staff at the Oakham store are very helpful & approachable. I could also use my Defence Discount Card so got an extra 10% off.

Debs originally posted on sigmasports.com
Game changer
25 January 2024

I have always been riding with 170mm, pretty much the only option in town. But the 160mm changed everything. Faster cadence, hip tightness is gone, overall more efficient and more comfortable. Highly recommended.

Lixing Z. originally posted on cambriabike.com
Going Shorter!
1 September 2023

I bought this 160 mm crankset to replace my 170 mm, 11 speed cranks. Although Shimano don’t recommend using the 12 speed crankset with 11 speed set ups, it works as well if not better. If you need a wider range of crank lengths, this is a serious option for Shimano users.

MarcoPanni originally posted on sigmasports.com
Great customer service from REI, not warehouse.
13 March 2023

The product itself is excellent, but warehouse quality control really dropped the ball. I was quite disappointed when the crankset arrived used (dirt and scratches from prior use) with mismatched R8000 cranks, not 8100. Telephone customer service was excellent and is shipping me a replacement.

StPeteFL originally posted on REI
Power happy!
1 March 2024

Bought this a month ago having hummed and ahhd about it for ages. Being non-mechanical had the bike shop fit it (£30) but very easy to pair with garmin. Looking at instantaneous power as your climbing validates your effort somehow and even on the flat values can be related to FTP so you know how hard you’re working. Probably wouldn’t have bothered at full price but at more than 50% off couldn’t resist

Cardigan man originally posted on sigmasports.com
Reliable Cranks
24 October 2023

I bought these cranks as backups for when I travel. Most frames my size come with 172.5 mm cranks; however, I ride 170 mm cranks. These are affordable, reliable, and never disappoint.Highly recommend.

Eric originally posted on bikeinn.com
Shimano Ultegra R8100 Hollowtech II Crankset 50-34T 170mm
28 May 2023

The comments from my initial review are still equally valid several hundred kms down the road. Great pricing, excellent service. Very happy.

PaulD originally posted on 99bikes.com.au
Shimano is always great
18 April 2023

Great value over DA. Ultegra is overall best value over other groupsets.

Scott originally posted on bikeinn.com