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No front derailleur required.
With one-by drivetrains firmly established as a viable option in the mountain and cyclocross realms, SRAM is now in the process of expanding the one-by paradigm to the road with its Rival 1 group. The Rival 1 GXP Crankset sits at the center of the group to guide the chain through the pedal stroke with perfect lines and outstanding chain retention.
While some of us at Competitive's office remain skeptical of a sole chainring's utility in more mountainous regions, others are eager to sacrifice a top-end gear or two for the weight savings and clean simplicity of the new options. Whatever the case, this setup certainly shows promise for riders living in less aggressive topographies and may be an ideal setup to ditch the front derailleur and save some weight for crits and time trials.
The crank arms are fashioned from forged aluminum for efficient power transfer at a much lower price point than their carbon fiber counterparts. The chainring's teeth feature a distinctly tall, squared-off profile that catches the chain earlier and releases it later in the pedal rotation than standard triangular teeth, improving chain stability and retention. The teeth also have rounded chamfer edges to aid chain retention and minimize deflection. SRAM also keeps b-road adventures in mind by including recesses that help clear mud.
The SRAM Rival 1 GXP Crankset is compatible with GXP-equipped framesets with 130mm and 135mm rear spacing.
- Item #SRM008A
- Q & A
Solid Deal on a Solid 1x
If you want a no nonsense, inexpensive, get the job done 1x crankset this one is it. Yeah, its 120g heavier than its Force 1 big brother but you pay almost a dollar per gram more. The Rival 1 crank features the same removable spider as the other cranksets in the SRAM road line up which makes it perfect for mounting up direct mount chainrings. I dig the sleek, non-distracting look of this crankset and I'm looking forward to many happy miles on it.
Great idea. Bad execution.
- Familiarity: I've used it once or twice and have initial impressions
This could be great. But very flaud design. If a company is going to make a system that will work then it needs to be a system that you can buy more of such as more chain rings of other sizes and integrate with existing or Rings that can be purchased. Here is the issue. The Single chain ring, (narrow - wide) is seen on the Sram web site but not offered yet. Also the Rival and Force are not compatible. The Rival chain ring is made with a "hidden" bolt that is build into the chain ring. Thus you can't use any other chain ring. If the other sizes are only offered in "Force" and those are different and not compatible why temp us. This is the new ideal in drive train for sure but give me a break and get it right before you release it. Don't buy this system yet. It's like an 80's one hit wonder. Wait till the system comes out complete system. So you can interchange it.
Great Bang For Your Buck 1x Crankset
- Familiarity: I've put it through the wringer
Looking for a 1x crankset for a gravel or cyclocross bike that isn't going to break the bank? Look no further, the Rival 1 has it all and does a great job with it. I was looking to drop the front derailleur on my beater CX/Gravel/Commuter Diamondback Haanjo trail and the BCD & bolt pattern on the FSA 2x crankset was funky, meaning I decided a GXP threaded bottom bracket & the Rival 1 crank was my solution. It isn't a carbon crank, but I don't need one.
For the record, my drivetrain previously was a FSA 2x crankset, an ultegra front and rear (medium cage I think) derailleur, and a 11-32 cassette. I went to the Rival 1 crankset, an SLX 11-40 cassette (Item #SHI00C1), and a Wolftooth Roadlink (Item #WFC0006). I'm running it with a Sram 11sp chain and it works flawlessly. I do wish the Ultegra derailleur had a clutch to keep chainslap down a bit on rougher CX terrain, but the shifting itself works flawlessly.
If you have any questions on whether or not this is the right crankset for you, what bottom bracket you'll need with it, or updating your drivetrain to a 1x, don't hesitate giving a shout and I'd be happy to help! My direct line is 801.204.4547 or you can reach me at email@example.com
What is the chainline dimension for this crankset?
Does this item include the GXP BB?
It does not.