As for individual climbs, you can use segment explore and zoom in on Taipei. The more popular climbs like Feng Gui Zui, Leng Shui Keng, Zhong She/Shooter’s Hill, Maokong, Guan Yin Shan and a few others will show up.
If you guys need tips on buying bikes, feel free to leave a comment below. More than happy to give you my suggestions and point you in the right direction.