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ROTOR Q Rings DM for REX. New trends in smaller chainrings – plus a motive to craft a lighter oval chainring for mountain bikes, resulted in Direct Mount Q rings. The simplified one-piece design saves approximately 40 grams compared to standard ring+spider+bolts combination (for example, weight savings for a 32t ring is 40g).
By machining ROTOR´s Direct Mount chainrings from a single piece of aluminum, in addition to trimming weight, rigidity gets improved by orienting the aluminum’s unidirectional fibers to take maximum advantage of their properties.
ROTOR Q Rings DM For REX specifications:
| Sizes | 30 | 32 | 34 |
| Technologies | 7075 aluminium | Direct Mount | OCP |
| Q Ring Type | Single |
| Discipline | MTB |
|---|---|
| BCD | Direct Mount |
| Compatible Crankset Brand | ROTOR |
| Compatible Crankset Model | REX 1.2, REX 2.2, REX 1.1, REX 2.1 |
| Compatible Groupsets | Shimano 1x11s, Shimano 1x10s, Sram 1x11s |
| Speeds | 10s, 11s |
| Number of chainrings | 1X |
| Chainring Shape | Oval |
| Chainring Type | Single |
| BRAND | ROTOR |
