The SLX shifting is ight to the touch but has positive and crisp, Vivid indexing provides a constant amount of shift lever force across all 10 sprockets. With 2-way release allows shifting from various riding positions; the upper lever still performs the same shift function, but it can now swing in either direction allowing it to be released by the thumb or index finger….
– Shimano SLX M670 Right Hand 10 Speed Pod – I Spec B Gear Levers & Shifters – £19.99 (RRP – £)