The number and letter refer to the mm offset and direction from the mounting face to the centreline of the teeth:

5 x 7 x 24 cm / 3

Service kit for readjusting the lateral play of their dropper seatposts and renewing the wiper as part of the 100-hour service

The adjustable strap allows flexibility to suit a wide range of vented helmet styles

RevGrips Pro Series Grips - Black With Green Clamp - RG5 eBay The number and letter referRevgrips are the best thing to happen to the grip, ever. RevGrips have come out with a truly revolutionary idea, and they have executed it perfectly. With their patented shock absorbing technology these grips offer a level of comfort never before experienced on a bike, and they work wonders for reducing hand and arm fatigue. The feel of the Pro Series grips can be set to your liking with the included tuning washers, making them the most versatile