Motorcycle Front Sprocket Gear For Scrambler 1100 Sport Pro 1198 R S SP Work for Fit For 1100 Scrambler 2018-2023 Sport Pro 1198 R 1198S 1198SP 09-11 street bike front drive shaft assembly matched with 520 drive chain Align spline mounting structure; support direct installation without or auxiliary conversion fittings Deliver steady power transfer; chain skip during rapid acceleration twisty road riding Adopt treated solid blank; feature smooth tooth profile with balanced surface texture Made with standard 520 pitch size; match drive shaft spline tightly to avoid loose fit during operation