The SRAM Rival1 Rear Derailleur brings SRAM 1x technology to road, cross, gravel and adventure bikes that are equipped with drop bars. Like the SRAM mountain rear derailleur, Rival 1 rear derailleurs have a 1x specific X-Horizon design that is capable of working with a wider range cassette that the 2x11 Rival derailleur. Rival1 derailleurs include SRAM's latest Type 3.0 roller clutch that reduces chain slap and improves chain retention over a non-clutch type rear derailleur.
Sram Rival1 rear derailleurs use SRAM Exact Actuation cable pull, which is the same cable pull ratio as Apex 22, Rival 22, Force 22, and Red 22 rear shifters. The Rival 1 rear derailleur is not compatible with SRAM X1 series mountain shifters.
1x specific road rear derailleur
Type 3.0 roller clutch
Not compatible with front derailleurs or mountain shifters
266g (medium cage)
SRAM Rival1 Rear Derailleurs are available in 2 cage lengths. Medium cage models work with cassettes up to 36t, Long cage models work with cassettes up to 42t.
Specifications
Cage Length
Long, Medium
Cassette Spacing
Shimano / SRAM 11
Chain Wrap Capacity
32t
Intended Use
Road
Largest Cog
36t, 42t
Rear Shifter Compatibility
SRAM Exact Actuation
Silver/Black - -Long UPC
710845807879
Silver/Black - -Long MPN
00.7518.113.001
Silver/Black - Mid UPC
710845807862
Silver/Black - Mid MPN
00.7518.113.000
Tree Fort ID:
333222422044
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This is a gravel bike oriented derailleur, but I used it to convert an old 2x10 mountain bike to 1x with excellent results. Note this conversion also involved replacing the crankset with a 1x specific crankset; I wouldn't recommend cutting corners there. The chain stays quiet and in place on rough MTB descents, so this derailleur should do well in any kind of gravel riding situation. The shifting is generally very good -- you push the button and the chain shifts ... 99% of the time. If the drivetrain is filthy and you're hammering the pedals a shift may occasionally be slow, but that's rare enough not to be an annoyance.
The compatibility situation is that this uses "Exact Actuation", the system used on SRAM's road shifters and *also* on their older 10 speed mountain shifters. SRAM's newer 11 and 12 speed *mountain* shifters use "X-Actuation", which is different and incompatible. If you've converting from an old SRAM 2x10 system re-using your old "Exact Actuation" shifter saves you a few bucks.