Vitus bikes zenium vr disc road bike 105disc brakes are quickly becoming a must have for cyclists due to the supreme stopping power which is particularly useful for your winter warrior when youre clocking up base miles vitus beefed up the tyre clearance so you can run a very plush 30c tyre meaning you can take this light and comfortable bike over gravel and loose terrain super light 6061 t6 triple butted alloy frame with t700 hm ud carbon forkmanufactured from a super light 6061 t6 tripl