EXTRA LITE derailleur rolls ExtraBolt 15.1 | teeth
These jockey wheels not only the switching mechanism is facilitated, but also the switching precision noticeably improved.
Made of lightweight Derlin, an extremely robust plastic that is used in highly loaded parts, bring the rolls weighs only 5.2g per piece on the scale.
Each rolls sit 2 bearings that are perfectly fitted and sealed that they run smoothly and prevent dirt from outside. This provides for a durable, smooth running.
Low M5 derailleur roller screw - therefore suitable for almost all rear derailleurs.
Material: Delrin (plastic)
Compatibility: Shimano, SRAM and Camapgnolo derailleurs
Chain: 9-, 10- or 11-speed
Number of teeth: 11 teeth
Weight: 11g (pair)