Ride Drive Train Ride Drive Train Ride Drive-TrainFit Bottom Bracket £35Chain & Cassette/Freewheel Replacement £35Replace Chain £12Chain-set/Crank-set replacement/inner Chain Ring Replacement £32Re-Tap Pedal Crank Thread £15Helicoil Crank plus the cost of Helicoil £28Degrease & Lubricate Chain £7Staighten/Fit New Ger Hanger £22 Book/Enquire Now