Road Bike Stem Sizes
Most road bikes come in two styles racing road bikes long in the top tube and low at the front for faster riding and sportive road bikes which tend to have shorter top tubes and higher front ends for extra comfort.
Road bike stem sizes. Aside from length you ll also find that stems are available in a range of different angles effectively altering the height of your handlebars. Good bike shops will be very helpful in helping you get the right stem length on your new bike or buying a new stem doesn t have to cost a lot of money. Picture 2a shows a quill stem with a shorter neck angled downwards next to a threadless stem with a longer neck. 22 2 mm 7 8 22 2 mm 7 8 steel bars.
As a rule of thumb on a road bike you shouldn t run a stem much shorter than 90mm or much longer than 130mm. Mainly bmx older mountain bike bars. Riders like to get a long small and aerodynamic position of the bike e g spirited racers can choose for a longer 1200 mm stem for optimum stretch. Road bike stems vs mountain bike stems road bike stems are available in lengths from as little as 60mm up to a very long 130mm and beyond.
Whereas road riders tend to choose stem length based solely on overall bike fit and positioning for off road riders the length of the stem is critical in determining how the bike handles. Shorter stems result in noticeably quicker and more responsive handling that is a definite advantage on technical singletrack and gravity riding. However in terms of attachment standards important dimensions are the handlebar attachment diameter and steering column attachment diameter. In depth the most significant thing while choosing a road stem is the length of the stem may be the key factor for overall fit of the bike.
Lenghts and angles differ and are important when fitting a bicycle to suit a rider. Generally speaking stem lengths on road bikes vary from 80 to 140mm with 100 to 110mm perhaps the most common sizes. If you need a stem length beyond those extremes your bike frame is the wrong size. The rise angle of stem from fork to bar has quite a large effect.
Sometimes you might need to customise the stem length yourself though. Stem clamp size grip area size application. Sanzhi bike stem 25 4 31 8 110mm 0 60 degree adjustable mtb riser stem short handlebar stem mountain bike stem for bicycle mtb road bike cycling bmx by sanzhi 19 99 19. 23 8 mm 15 16 22 2 mm 7 8 obsolete british size for steel handlebars common on older 3 speeds.
Road bike sizing guide.