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Shimano Ultegra R8100 Crankset 36/46T 12V 165mm - Black
- EAN 4550170852429
- Brand: Shimano
- Product Model: 872389
The HollowTech II 12-speed Ultegra chainset offers an ideal balance of light weight and stiffness, making it the perfect choice for both enthusiast and competitive riders.
HollowGlide hollow outer chainring gives vast improvements in rigidity by virtually removing outer chainring flex and hugely improves shift performance, even under high load.
The chainring teeth have been developed to work in conjunction with 12-speed HG chains for increased contact to provide greater efficiency and improved power transfer.
Industry leading HollowTech II cold forged 4 arm hollow cranks have been evolved for maximum rigidity while reducing weight.
Wide gear pitch spacing increases clearance between chain and leading teeth to provide compatibility to frames with O.L.D. 135 / 142 mm.
A wide range of chainring options and crank arm lengths are available to meet the needs of all riders and racing disciplines.
HollowTech II integrated bottom bracket uses a wider bearing placement and larger axle diameter for increased stiffness and efficiency.
HollowTech II integrated bottom bracket seal design has minimal bearing interface ensuring smooth rolling and increased durability(sold separately).
- HollowTech II
- 4 arm hollow cranks
- Improved power transfer
- Smooth roling
- Increased durability
Specifications:
Brand: Shimano
Model: Ultegra R8100
Type: Crankset
Chainrings: 2
Teeth: 36/46
Crank lenght: 165mm
Gears rear: 12
Color: Black
Supplier item number: IFCR8100AX66
The first Shimano product was the bicycle freewheel, which also became the first product by Shimano to be exported in 1931.
Halfway through the 1950s Shimano expanded its range with a derailleur and a 3 speed hub.
In 1960 cold forging technology was introduced, quickly becoming a vital part of the production process and the main reason behind the premium quality of Shimano's bicycle parts.
Export figures grew exponentially. In 1965 and 1972 Shimano America and Shimano Europe were founded, and the first factories were opened in Singapore.
In 1973 the first complete Dura-Ace group came into being and Shimano Inc. became a publicly listed company.
Starting in the early 80s, the introduction of the mountain bike and the company’s leading role in its evolution led to rapid growth for Shimano Inc.
Then Shimano turned the road bike market upside down in 1984 with the introduction of indexed shifting (SIS), and again in 1990 with integrated braking and shifting (STI).
Shimano Benelux is the official distributor of Shimano bicycle parts and accessories for Belgium, the Netherlands and Luxembourg.
In addition, the Benelux subsidiary also represents 18 other top-class brands in the bicycle industry.
Shimano Benelux strives to be an excellent supplier to its customers, offering high-quality parts and accessories that contribute to the health and happiness of society through their recreational and sporty nature.
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