Ridley cx X Ride 20 cyclocross 2014. 54cm ctc seat tube. Chainset is 50 & 34t, The shop changed the original 36t inner for me when I purchased the bike. Aluminium triple butted frame with carbon forks. Also fitted a 12-32 rear cassette. Shifters & gears are Shimano 105 10 speed. The bike has not been used in the last 16 months due to illness. In very good condition. £20.00 to post within UK.