Btwin Rockrider 5.0 bicycle comes with Shimano gears, 3 at the front and 7 at the rear which gives the Rockrider 5.0 a total of 21 gear combinations. For someone who is looking to take the first step towards serious cycling, the Rockrider 5.0 is a great bike.The break lever is abricated out of aluminium and the response of the breaks is very good. The frame is made of steel, and this makes it more durable and resilient toward heavy impact. For those of you who travel with your bikes, the Rockrider 5.0 comes with a quick release front wheel so it can be easily removed without any tools and transported easily.
http://www.sports365.in/categories/Cycling-Cycles/cid-CU00060992.aspx