Please find below the information provided by members of the cycling community from Pune:
Cyclogist: Abhijeet: 90498 3136one
Bike Tech: Narendra: https://www.instagram.com/biketechindia/
Cymour Cycling: https://cymour.com/about-us
Sandip Jadhav: 99227 8395zero
Dhanashree Cycling Shopping near Baner road
From the details shared, we would suggest getting in touch with Bike Tech, as they apparently work on bikes as per your requirement.