Sanny, it’s been a long time since I’ve been up that way but I wonder about going over Mullach nan Coirean, the western most of the Mamore munros and over to Stob Ban. From there to the beallach is steep – I don’t know what the path is like as I’ve only walked in snow but maybe worth checking with geograph and walkhighlands. It could be a nice bit of high level riding before that final descent.
I’d be interested to know how you got on if you did attempt to get bikes across Steall wire bridge. I think the ups and downs, scrambling and airy ridges of The Ring of Steall would be best without a bike but that’s just me. Where did you go after you’d ascended under Stob Ban?
I was going to post on the munro thread that maybe you should have a look at Binnein Mor climbing from Loch Eilde Mor (from Kinlochleven). I was up on the two most remote (eastern) Mamores – Sgurr Eilde Mor and Binnein Beag looking across to Binnein Mor and it looked a good possibility by bike. Up to Corrie an Lochan wouldn’t be a problem. I left the bike and walked from just before there but it would have been good on bike to the foot of the munros I climbed that day. (steep cones of scree and rocks – not bikeable themselves). Probably only one good way off Binnein Mor – back the way you came but it would be good all the way to Kinlochleven.
Food for though anyway.