1090 R2C:~ Carbon shifter blade, titanium bolts. After every shift the shifter immediately and automatically returns to the starting 'center'. The shifting blade has been shaped perfectly to fit between the thumb and the first finger. The inside titanium bolt enables you to adjust the initial position of the shift lever within a 40" range for a customized fit. Front and rear shifting are indexed for precise gear changes. Two trim positions at the front ensure the best possible chainline. 175g/set.