Recommended every 12 to 18 months,depending on usage, 
includes all cables to be replaced.
Level 1 Service plus Level 2:

Frame & Forks: Cleaned and checked for alignment and damage, threads cleaned 
re-threaded(if necessary) .Frame and disc mounts faced (if applicable).
Gears & Brakes: Cables replaced inner and outers, derailleur hanger tracked.
Wheels: Free hub body disassembled cleaned, degreased ,spokes trued and tensioned.
Chain and Cassette: Fully degreased and degreased , check for wear and refitted.
Bottom Bracket: Removed,cleaned,regressed, condition of thread checked and rethreaded if necessary and refitted and checked for free movement and adjust if necessary 

Level 2 Service £65

service & repair

Level 3 Service £99

Recommended every 6 to 9 months depending on usage.

 Level 1 Service Plus:

Headset: Removed, degreased(if applicable),cleaned, refitted and checked for free movement
Hubs: Front and rear hubs disassembled, bearings removed, degreased(if applicable),cleaned 
and replaced if necessary, regressed,fitted and adjusted.

 Recommended every 3 to 6 months, depending on usage.
 This service makes sure that bike is road worthy. 

Brakes & Gears: Serviced and checked for wear, set to correct ratio. 
Chain: Tensioned.
Frame & Forks: Visual check and wipe down.
Tyres: Checked for wear and inflated to correct pressure. 
Wheels: Hubs and Rims checked for damage and wear,Minor wheel truing. 
Headset: Checked for wear, adjust if possible and necessary.
Bottom Bracket: Checked for free movement and wear adjust if necessary.
Bolts and Nuts: Checked and tightened to correct torque setting.

Level 1 Service £39