BuildMyMTB
Prototype - Evolving Daily

Ritchey RL1 Rizer Handlebar

What the checker says3will not fit

Run variant by variant through the mountain bike builder’s own engine. Every sentence below is the checker’s, unedited. Nothing here says this part fits your bike; it says what it does and does not fit among the parts we hold.

Checked against 5904 verified mountain bike parts in this catalog. 5786 produced no finding of any kind; that is RL1 Rizer. RL1 Rizer - 25.4 clears 5652. Each variant produces 1 to 2 distinct errors and 0 distinct warnings.

Will not fit

  • Will not fiterror · StemBar/stem clamp mismatch: a 25.4mm bar does not clamp in a 31.8mm stem - the clamp diameters differ. A shim or adapter may make other sizes or standards work, but that is a modification, not a fit. On 134 of the 252 verified stems in this catalog. Applies to 1 of 2 variants.
  • Will not fiterror · StemBar/stem clamp mismatch: a 25.4mm bar does not clamp in a 35mm stem - the clamp diameters differ. A shim or adapter may make other sizes or standards work, but that is a modification, not a fit. On 118 of the 252 verified stems in this catalog. Applies to 1 of 2 variants.
  • Will not fiterror · StemBar/stem clamp mismatch: a 31.8mm bar does not clamp in a 35mm stem - the clamp diameters differ. A shim or adapter may make other sizes or standards work, but that is a modification, not a fit. On 118 of the 252 verified stems in this catalog. Applies to 1 of 2 variants.
The checker compares the dimensions listed in what we check, and what we don’t. “No conflicts found” means no conflict among those dimensions — not a guarantee that a build works. Errors mean it won’t fit; warnings mean it works but check; infos are notes.
Ritchey RL1 Rizer
Photo: Ritchey

$34.95 to $39.95 MSRP·395 to 399 g

What the maker states

Clamp
Bar clamp 25.4 mm (on 1 of 2 variants); Bar clamp 31.8 mm (on 1 of 2 variants)
Width
670 mm (on 1 of 2 variants); 780 mm (on 1 of 2 variants)
Rise
20 mm (on 1 of 2 variants); 30 mm (on 1 of 2 variants)
Material
Aluminum construction

A value shown as a set or a range differs between this model’s variants and is never one variant’s spec.

2 verified variants

VariantClampWidthRisePrice (MSRP)WeightSourceLast checkedBuild
RL1 RizerBar clamp 31.8 mm780 mm20 mm$34.95395 gmaker’s page2026-08-25Build with this
RL1 Rizer - 25.4Bar clamp 25.4 mm670 mm30 mm$39.95399 gmaker’s page2026-08-25Build with this
Source

Source: each variant links the maker’s own page in the table above. Last checked 2026-08-25.

Checked against

The checker ran this model against every verified part below that it has a slot for, the same way it checks a build in the builder. What follows is the verdict it actually produced for that specific pairing — not a recommendation, and not a guarantee any of these parts fits your own bike.

6 of 1747 counterparts with a page of their own that the checker actually probed this model against, in alphabetical order by brand and model — never by price, popularity or the verdict itself.

Where this sits

Previous: Ritchey RL1 FlatNext: Ritchey Superlogic FlatAll Ritchey handlebarsOpen a variant in the builder to see the ones that apply to your own parts