SHIMANO Ultegra FC-R8000 Crankset Gray, 170x52/36
Shimano's Ultegra FC-R8000 Crankset represents true trickle down from Shimano's flagship Dura-Ace group not only visually, but in the technological features that make both cranksets light, stiff, and shift with precision. The new, aggressively angular lines increase stiffness, providing excellent power transfer. The chainrings and bolts were also redesigned to provide better chainstay clearance for shorter rear end bikes or road disc bikes with wider dropout spacing. Shimano has the technical expertise and manufacturing prowess to create industry-leading shifting and stiffness to weight for the rings and crank arms, respectively. The latter property is owed to Shimano's Hollowtech II arm construction, a heavily guarded secret. Where other manufacturers drill the arms to reduce weight or create two sides and clam-shell them together, Shimano is able to forge the arms and still keep them hollow. As with the Dura-Ace 9100 series, Shimano adds some width to the R8000's arms and orients the spider to more efficiently transfer energy during important power phases throughout the pedal stroke. The asymmetric spider and chainring spacing allows Shimano to put two chainring bolts close to the wider arms, further adding rigidity to the rings for better shifting and power transfer. As noted above, Shimano's excellent chainring engineering continues with the FC-R8000. We once heard a rumor that Shimano owns patents on every single chainring tooth's shape, pin, shift ramp, etc. We're not sure if this is true, but we do know that, compared to other rings we've used, Shimano rings in operation tend to run much quieter, wear at a much better rate, and offer more positive and quicker shifting. The tooth profiles on this crank have been slightly altered to improve shifting and chain retention at the extreme chainlines seen on the shorter stays of newer bikes combined with larger cassette ranges and wider rear spacing. To lessen the chainline, the inner chainring has been brought...
- Arm Material: aluminum
- Arm Length: 165m, 170mm, 172.5mm, 175mm
- Chainring Sizes: 36 / 46t, 34 / 50t, 36 / 52t, 39 / 53t
- Bolt Circle Diameter: 110mm
- Bolts: 4
SHIMANO 105 FC-R7000 Crankset Black, 170x52/36
The prices of road bike components can, at times, be a bit daunting. A crankset can run you a couple car payments or a month's mortgage and might not fit into the budget or slide past the spouse unnoticed. That's why there's Shimano 105. Make no mistake, this isn't budget gear. Its race-worthy equipment designed to be affordable, and since it benefits from Dura-Ace and Ultegra trickle-down technology, it doesn't compromise performance. While the Shimano 105 FC-R7000 Crankset tips the scales at around 100 grams more than its top-end sibling, it's still nowhere near what you'd call heavy. It also shifts with crispness so close to the higher level group that you won't believe that it's less than half the price. Shimano Hollowtech hollow crank arms reduce weight while adding stiffness for more direct power transfer and greater pedaling efficiency. The Hyperdrive 11-speed chainrings, when paired with Shimano's Dual SIS front index shifting, deliver instant, assertive shifts time and time again. Shimano has also increased the space between the large and small rings to reduce chain rub in the small-small gear and a chainline that's optimized for the dropout spacing and chainstay length associated with disc brake road bikes. The Shimano 105 FC 7000 Crankset is available in mid-compact and compact ring options with its asymmetric, 110mm bolt circle diameter. Both versions of this crankset can be had in 170, 172. 5, or 175mm lengths.
- Arm Material: aluminum
- Arm Length: 170, 172.5, 175mm
- Chainring Sizes: 34 / 50, 36 / 52t
- Bolt Circle Diameter: 110mm asymmetric
- Bolts: 4
SHIMANO Ultegra 6800 11-Speed Outer Chainring Dark Grey, 52t for 52/36
When we think of Ultegra 6800, we're immediately filled with thoughts of its enviably good looks. And before we start to sound superficial, let's note that those looks are backed up by intelligent design and ever-improving functionality throughout the entire groupset. Ultegra is genetically blessed, to be sure, right down to the Ultegra 6800 11-Speed Outer Chainring. As the star of the groupset, the Ultegra crankset deserved far better than just a standard chainring thrown on it. Shimano did right by its second-from-the-top groupset, and using its Hollowglide technology and aluminum's storied durability, the brand crafted the Outer Chainring with its signature mix of reliability and longevity. A hollow construction shaves valuable grams without sacrificing stiffness, while offering more efficient power transfer and more precise, responsive shifts. Though Shimano doesn't reveal the exact measurements of its top-secret BCD, we do know that its chainrings are universally compatible throughout its 11-speed drivetrains. So, even if you're waiting to have full Ultegra bestowed on you by sponsors, you can still run an Ultegra chainring on your 105 11-speed crankset, though not if you're still riding on 10-speed.
- Material: aluminum
- Number of Rings: 1
- Teeth: 46 t, 50 t, 52 t, 53 t
- Compatible Components: Shimano Ultegra 6800 crankset
- Recommended Use: road cycling
Shimano Ultegra FC-R8000 Crankset Gray, 165x52/36
SHIMANO 6800 Ultegra 11-Speed Cassette, 11-32T
The Shimano CS-6800 Ultegra cassette brings 11-speed to the Ultegra family. It also brings a much broader size range designed to fit anyone's requirements.
- HG-EV 11-speed cassette sprocket
- Rider tuned wider gearing options
- Includes lock ring
- Made in Japan
SRAM Rival BB30 22 Yaw Crankset, 175mm/52-36T
The Sram Rival 22 Crank set features X Glide R chain rings, aluminum arms and machined alloy ring and spiders. 860g (BB30 50/34 w/o BB), 844g (GXP 50/34 w/o BB).
- Forged aluminum with detachable spider
- Hidden bolt design
- X Glide R Chain rings
FSA Pro Road Chainring Black, 130x39t
FSA's Pro Road Chainrings are the ideal replacement inner and outer rings for cranksets with a BCD (bolt circle diameter) of 110 millimeters or 130 millimeters. Machined from AL7075-T6, they are ramped and pinned by the shift-obsessed engineers at FSA to ensure that shifting is precise and smooth with no chain suck. Cause chain suck, well, it sucks. The outer rings feature stainless steel pins for corrosion resistance, and both inner and outer rings accommodate five bolt spiders for compatibility with SRAM and Shimano. The FSA Pro Road Chainrings are compatible with Shimano and SRAM 11 and 10-speed drivetrains, and are available in 110 mm BCD in sizes 36t, 46t, 50t, and 52t, and 130 mm BCD in sizes 39t and 53t in the color Black.
- Material: 7075-T6 aluminum
- Teeth: 110 BCD 36 t, 110 BCD 46 t, 110 BCD 50 t, 110 BCD 52 t, 130 BCD 39 t, 130 BCD 53 t
- Bolt Circle Diameter: 110 - 130 mm
- Compatible Components: Shimano 11 & 10-spd, SRAM 11 & 10-spd
- Recommended Use: cycling
Shimano FC-R8000 Bicycle Chainring - 52T-MT FOR 52-36T - Y1W898030
Shimano Ultegra R8000 Series Chainrings are designed for use with Shimano's 11-speed Ultegra crankset.
- Tooth Count: 52
- Ring Position/Type: Outer
- Drivetrain Speeds: 11
- Chainring BCD: 110
- Color: Black
Shimano Ultegra R8000 Groupset 11-28T 52x36T 172.5mm
Shimano Ultegra R8000 11 Speed Groupset Eagerly anticipated, the updated Shimano Ultegra R8000 11-Speed Groupset has arrived. It was never going to be easy to improve on the Ultegra 6800 but there are clear improvements on aesthetics and performance. Shimano has evolved the Ultegra series, which hugely benefits from the joys of its bigger brother's technology, Dura Ace R9000. Infused with state-of-the-art technology, the Shimano Ultegra R8000 11-Speed Groupset is superbly stiff, light, and responsive. This Ultegra groupset is a major upgrade on any racing or training Road Bike.
- Ultegra R8000 Crankset: 172.5 52/36
- Ultegra Bottom Bracket: English BB68
- Ultegra R8000 11sp Cassette: 11x28
- Ultegra R8000 Shifters, Front Rear Derailleur, Chain, Brakes (cables and housing)
SHIMANO 5800 Road Bike Crankset - 36/52
Now with a 4-arm Hollowtech II design passed down from Ultegra and Dura-Ace, the Shimano 105 FC-5800 52/36T 11-Speed Crankset achieves the perfect balance of lightweight rigidity and power transfer. It's lighter and more unyielding than its previous 5-arm design and features reinforced construction around the chainring area for an even better stiffness-to-weight ratio. Asymmetric 4-bolt pattern is the same for both compact and standard chainrings, so one crankarm fits all chainrings sizes. The chainrings are also interchangeable with Ultegra and Dura-Ace for even more versatility.
- Hollowtech II design has an optimum balance of lightweight and stiffness for better power transfer and acceleration
- New gear dimensions enhance overall performance
- Improved gearing for less chain touch in small/small combination
- Reinforced construction around the chainring area further improves stiffness-to-weight ratio
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