Lightweight Stem Comparison

Here's some data I've collected on my search for a new oversize (31.8mm) MTB stem:

ManufacturerLengthClamp diameter (mm)Rise (deg)Stack Height (mm)Weight (g)MaterialTuning Potential
BBB BHS-01 UltraForce10031.86126Alu 2014Ti bolts - 15g saving
Easton EA7010031.86130AluTi bolts - 15g saving
Easton EA9010031.810120AluTi bolts - 15g saving
Easton EC90 SL10031.810110CarbonNone - already has Ti bolts
Extralite UltraStem OC10031.8485Alu 7075None - already has Ti bolts
FSA OS-11510031.86140AluTi bolts - 15g saving
KCNC SC Wing10025.453896Scandium T7451None - already has Ti bolts
KCNC SC Wing10031.8538103Scandium T7451None - already has Ti bolts
Syntace F10910031.86116AluNone - already has Ti bolts

Related articles:

Lightweight MTB disc hubs

Sorted lightest to heaviest

Lightweight 15mm axles

Rockshox 15mm maxle light weighs 74g. Thankfully, there are now a few options available for lightweight 15mm axles:

Lightweight 24" rims

There are not many lightweight rims available for 24" mountain bikes. The three options I know of are:

Lightweight disc brake rotors

Here's some information I have collected on 180, 160 and 140mm lightweight disc brake rotors:

Lightweight 24" tubes

It is quite difficult to find lightweight 24" tubes, but I recently stumbled on a solution that so far has proved acceptable.

165mm lightweight cranks

As my kids grow, I'm needing progressively longer cranks, but unfortunately, my tallest kid is still too short for commonly available 170mm cranks. At the moment, a set of 160mm cranks would be perfect. ...