Access700 insatlled with HiT301502 and SR3015 in 19 gram (stock roller is 21 gram)---- Dr.Pulley's HiT301502 provides solid engagement so you'll find the acceleration in whole speed range is powerful and very instant or you can say the throttle response is no dead point. And the material of SR3015 is one kind of proprietary self-lubricated composites so no need to put grease in the variator.(actually the function of grease is not so effective since the grease between the round roller and ramp/roller runway will be compressed out under the high pressure.) Moreover the shape of SR is designed to make the gear shift range broader so the V-belt is about 2.5 mm higher and top speed is 5km/h more. ... https://www.youtube.com/watch?v=6lhI2dwThss

MP3 250 installed with Dr.Pulley HiT201203 & SR2117 spec of HiT201203 ( HiT211701) pillow degree 55 clutch spring SCJ 1828007100-BK-14kg pillow springSP-2031365104-PK-25KG SR2117 13 gram ... https://www.youtube.com/watch?v=FMS0sOGTcrM

MP3 250 installed with Dr.Pulley HiT clutch & SR2117 in 13.00 gram spec of HiT201203 pillow degree 45 clutch spring-- SCJ 1928006102-YL-19kg initial engaging rev (via clutch-in tester)-- 1700 rpm for HiT,1560 rpm for stock clutch pillow spring-- SP1832565105-RD-12.5kg riding test—WOT from standstill/ re-acceleration of 70km/h→ 30km/h→ 70 km/h & 70km/h→ 40km/h→ 70 km/h ... https://www.youtube.com/watch?v=eWLTyEFeVaM

... https://www.youtube.com/watch?v=WtiZNtE6h6A