Bike Axle Standards

But this does build in constraints at both extremes of the.

Bike axle standards. Our resident mechanic al explains axle standards. 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. Hub axle standards don t worry brands like boyd enve alto and others are still improving the performance of the humble rim brake hub. 15x100mm 15x110mm boost and 20x110mm the first number refers to the axle diameter while the second refers to the dropout width of the bike.

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. 15 x 100mm 127 length 1 5. Best mountain bike wheels. Front mtb thru axles currently use three standards.

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. At first 135mm was the most common rear axle spacing with 150mm used for dh. Mountain bike axle standards explained. If it is a thru axle it would have a ta in the description such as 110ta.

The bike industry is known for not creating or adhering to standards but it wasn t until i needed a rear axle i realized how bad it had gotten. As always there are some exceptions but we will focus on modern axle standards that are supported by pub wheels. Know your thru axle from your super boost spacing. 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.

Skewers are for the bbq. For decades quick release skewers were the standard for attaching wheels to a road bike. Quick release thru axle. But 142mm and 157mm soon superseded these standards with the extra 7mm allowing a stiffer interface with the frame.