Bike Axle Standards

Skewers are for the bbq.

Bike axle standards.

But 142mm and 157mm soon superseded these standards with the extra 7mm allowing a stiffer interface with the frame. Mountain bike axle standards explained. Our resident mechanic al explains axle standards. How to measure a bicycle thru axle most thru axles are described by four measurements and you might see them described something like this.

15 x 100mm 127 length 1 5. If it is a thru axle it would have a ta in the description such as 110ta. At first 135mm was the most common rear axle spacing with 150mm used for dh. Know your thru axle from your super boost spacing.

But this does build in constraints at both extremes of the. Best mountain bike wheels. As always there are some exceptions but we will focus on modern axle standards that are supported by pub wheels. Hub axle standards don t worry brands like boyd enve alto and others are still improving the performance of the humble rim brake hub.

Quick release thru axle. For decades quick release skewers were the standard for attaching wheels to a road bike. There s also a 20mm boost version out there which is also 20 x 110mm but has different brake spacing it s pretty limited at the moment so we. It looks as if the pace of change in disc bike axle standards will slow now with 12x100mm front and 12x142mm rear thru axles dominating.

In bicycle nomenclature qr refers to a skewer and ta refers to a thru axle. Digging through my bins of collected bike parts i pulled a not small selection of rear through axles in what was the correct length and spacing for a 12 x 142mm rear hub. Yeah i know i m supposed to hate it because it s new and wtf bike industry but years ago i was one of small group who got to participate in a blind taste test of current axle standards and potential offerings and in the end i unknowingly chose boost which had no name at the time. Front mtb thru axles currently use three standards.