Mountain Bikes for sale in Newcastle

1 mountain bikes for sale in Newcastle, Northern Ireland. Frame numbers checked against a stolen-bike registry and rider-filed theft reports before going live on Cyclesite.

Browse by type in Newcastle

Latest mountain bikes in Newcastle

2023 2025 Allegro A3
3
£850
2023 2025 Allegro A3

2023 2025 Allegro A3 bike, in good condition.

Good
Frame checkedFrame number checkedNo match on the registry we query, or our own theft reports. Checked 30 Aug 2026.How checks work →Newcastle Upon Tyne

Buying safely on Cyclesite

Find out more

Buying a bike in Newcastle Ni

Cyclesite lists used bikes from sellers in and around Newcastle Ni. Buying locally saves on shipping and lets you view a bike in person. Value it against the UK market and check it isn’t stolen before you travel to see it.

Free bike valuation

See what any bike is worth, priced from real UK market data.

Free stolen bike check

Check any bike against a stolen-bike registry and rider-filed theft reports: free, no account.

Bikes by location

Browse used bikes from sellers across UK towns and cities.