On the booth this year at Inter bike 2013 is a 25 tooth sprocket guard using the popular vent 3 spoke shape and design. If you go in heavy on the crank/BB area might be worth giving them a shot.
On the booth this year at Inter bike 2013 is a 25 tooth sprocket guard using the popular vent 3 spoke shape and design. If you go in heavy on the crank/BB area might be worth giving them a shot.