A new engine, added features and small but significant styling tweaks prove that the SP 125 is more than just a BS6 update. It costs Rs 72,900 (drum brake-equipped variant) and Rs 77,100 (disc brake-equipped version), which is around Rs 8,000 more than the older BS4 Shine SP. We find out if it's worth the extra cash and whether it's the ultimate 5-speed 125cc commuter at the moment.