Speed Tuned MTR23 Asym XC Race Custom Bicycle Wheel Set

$499.99

Easton (now RaceFace) is no stranger to manufacturing quality aluminum sporting goods equipment.  So a top end bicycle rim line was a welcome addition to the industry.  While other brands took a while to find their footing, Easton managed to make their initial foray in to the segment also one in which set a new benchmark in terms of overall quality, performance, and value.

Hub Level/Type Select *

Front Hub Axle *

Rear Hub Axle *

MTB Freehub Options *

For Cassette Compatibility, please visit:
https://bicyclewheelwarehouse.com/bicycle-cassette-compatibility-chart/

Spoke Options *

Nipples Select *

Description

The Speed Tuned MTR23 Asym XC Race (23mm inner) rims offer pro level performance in a budget friendly wrapper.  In other words, you’d be hard pressed to find this much rim spec and wheel spec at this price point, they are all business.  For starters, these are Asymmetric (“Asym”) rims, so you’ll be riding a wheel set with much more consistent spoke tension across the board as compared to almost any other bicycle rim out there.  It’s a superior design that really shines with the contemporary adoption of wider rim widths.  It’s a totally Rad approach if you’re willing to depart from legacy design solutions.

While this specific wheel set features a Cross Country / Race oriented 23mm inner rim width, the Speed Tuned MTR Asym rim line up offers a comprehensive range with the rest of the rim options.  The line up features this Cross Country / Race 23mm inner rim, a general light weight XC 25mm inner rim, Trail oriented rims with a 29mm inner rim, and then the Enduro’s with a 36mm inner width.

The Speed Tuned MTR Asym profiles approach their tubeless ready function in a mature, conforming manner that promotes rim strength at the beadhook, and overall durability.  Mounting tubeless should be very doable, without having to employ an arensal of well learned tricks of the trade, to get your tires to seat. So what’s the catch you ask?  Just like Sun Duroc rims, these do not feature a welded seam like the few top tier rims do.  Is that important?  You make the call.  Do I ask myself a lot of questions?  Hard to say.  Well, can’t you take a guess?  Just know that in the grand scheme of things, by percentage, very few MTB rims have a welded joint these days.  Very few.  A welded rim seam is sort of a rim feature nicety relic from the 90’s and 00’s. Just to sum it all up, these Speed Tuned rims offer a range of widths, are light weight, strong, offer more lateral strength overall than conventional bicycle rims, and they hold up.  Is Airwolf the Raddest 1980’s TV attack helicopter starring Jan-Michael VincentErnest Borgnine, and the guy with the eye patch?  Absolutely.  Not convinced?  Look at where they park the thing!   What were we Musing about?  If you’re into racing (Yeah, That kind of racing), riding hard, or you simply prefer to buy really nice gear, this is your starting and finishing point.  Pretty straight forward.

Build Level Breakdown


Speed Tuned MTR23 Asym XC Race Tubeless Ready Clincher Specs

26″ / 27.5″ / 29er Front Wheel Rear Wheel Wheel Weights (approx)
Rim Info Speed Tuned MTR23 Asym XC Race aluminum alloy clincher, tubeless ready
ETRTO  559x23mm (26″)  584x23mm (27.5″) 622x23mm (29er)
Weight ≈370g average, 26″ ≈390g average, 27.5″ ≈420g average, 29er
Sidewall N/A
Inner Width 23mm
Outer Width 26mm
Rim Depth 18mm
Rim ERD 544, 3mm Offset (26″) 564, 3mm Offset (27.5″) 604, 3mm Offset (29er)
Rim Tape Tesa Tubeless Rim Tape Installed ≈ 30 – 35g/wheel (varies based on overlap)
Washers Built with 3D internal stainless steel washers ≈4g F, ≈4g R
Valve Type Presta
Tire Type Standard Clincher with inner tube OR MTB Tubeless
Tire Volumes 26″, 27.5″ or 29er x 1.75″ – 2.3″
Nipple Info (Brass) Sapim 12mm Brass Chrome Plated @ ≈ 1g ea 32H = 32
Nipple Info (Alloy) Sapim Alloy Double Square Polyax @ ≈ .34g ea 32H = 10
Spoke Info Leader Sapim Leader 2.0mm Stainless Spokes Black ≈ 6.5g ea 32H = 208
Spoke Info Race Sapim Race 2.0/1.8/2.0 Butted Stainless Spokes Black ≈ 5.65g ea 32H = 180
Spoke Info Dlight Sapim D-Light TCS 2.0/1.65/2.0 Butted Stainless Spokes Black ≈ 5.16g ea 32H = 165g
Spoke Count Front: 32H Rear: 32H
Spoke Pattern Front: 3 Cross Rear: 3 Cross (32H)
Lengths 27.5″ 272/274mm (32H) 271/274 (32H)
Lengths 29er 292/294mm (32H) 291/294 (32H)
Hub Info (option) ST160 ST280
Hub Weight 152g 280g 152g F, 280g R
Hub Shell Aluminum Alloy
Axle Info (option) QR 9mm x 100mm OLD QR 10mm x 135mm OLD
Hole Ct 32H 32H
DriveS PCD
42 61
DS Ctr to Flange 35.5 18
Non-DriveS PCD 42 44
NDS Ctr to Flange 21.5 32
Axle Material Aluminum Alloy
Bearings Sealed Cartridge Japan EZO Bearings
Bearing Size MR17287LLB MR17287LLB
Freehub HG Shimano/Sram “Splined” MTB 8/9/10/11 Speed + Shimano/SRAM Road 8/9/10 speed
Freehub Road 11 Shimano/SRAM Road 11 speed
Freehub MicroSpline Shimano MTB 12 speed
Freehub Sram XD Sram XD 1×11 + 1×12
Freehub Sram XDR Sram XDR 1×12
FH Material Aluminum Alloy
End Caps: Quick Release Front 9mm x 100mm / Quick Release Rear 10mm x 135mm Thru-Axle Front 15mm x 100mm / Thru-Axle Rear 12mm x 142mm **Boost Front 15mm x 110mm / **Boost Rear 12mm x 148mm **Lefty Front Hub

Wheel Weights

(without QR’s or rim tape)

26″ ST160/280 – Race w/ Brass F ≈ 747g R ≈ 867g Set ≈ 1614g
26″ ST160/280 – Dlight w/ Alloy F ≈ 700g R ≈ 820g Set ≈ 1520g
26″ DT350 – Race w/ Brass F ≈ 752g R ≈ 887g Set ≈ 1639g
26″ DT350 – Dlight w/ Alloy F ≈ 705g R ≈ 840g Set ≈ 1545g
27.5″ ST160/280 – Race w/ Brass F ≈ 767g R ≈ 887g Set ≈ 1654g
27.5″ ST160/280 – Dlight w/ Alloy F ≈ 720g R ≈ 840g Set ≈ 1560g
27.5″ DT350 – Race w/ Brass F ≈ 772g R ≈ 907g Set ≈ 1679g
27.5″ DT350 – Dlight w/ Alloy F ≈ 725g R ≈ 860g Set ≈ 1585g
29er ST160/280 – Race w/ Brass F ≈ 797g R ≈ 917g Set ≈ 1714g
29er ST160/280 – Dlight w/ Alloy F ≈ 750g R ≈ 870g Set ≈ 1620g
29er DT350 – Race w/ Brass F ≈ 802g R ≈ 937g Set ≈ 1739g
29er DT350 – Dlight w/ Alloy F ≈ 755g R ≈ 890g Set ≈ 1645g

What Others Are Saying…

You have the choice to build these wheels with ST160/ST280 MTB hubs or go all out with DT Swiss 350 disc hubs featuring the DT Swiss Star Ratchet engagement mechanism.  Both are great options.  The Speed Tuned Super 6 2.0 hubs feature 36 points of engagement, (10 degrees) via a 4×2 pawl freehub.  The drive ring and pawls are overbuilt in terms of diameter, (drive ring), height, (drive ring + pawls), and materials, (quality stainless).  Their bearing placement is proper, in terms of overall design meant to promote hub function and durability.

DT Swiss 350 hubs are excellent, they are finished to incredible standards, and include DT Swiss’ Star Ratchet engagement system, (same exact drive mechanism as with their DT 240’s and 180’s).  These hubs get the job done, hold up extremely well in an assortment of conditions, and have proven reliable even in the emerging context of high torque drive trains, (29er wheel bikes with 1×12 Eagle drive trains).  Essentially, DT 350’s offer you the option of buying one of the best-performing hubs available anywhere, for only a modest price bump.  Given their huge value proposition, they are hands down a great option for any MTB rider that cares about their gear.

In “stock” form, these wheels are built with Sapim Race Double Butted 2.0/1.8/2.0 black spokes in a 32 hole, three cross configuration front, and rear.  Sapim Race spokes offer legendary quality and performance.  If you didn’t know a thing about spokes, know that your wheels would come with a really top-notch spoke product.  That being said, we’re offering a spoke upgrade option, in the form of Sapim DLight 2.0/1.65/2.0 spokes.  There are two great spoke manufacturers in the world, DT Swiss and Sapim, (in alphabetical order).  Essentially, you might be able to find a spoke product that approaches their quality, but you’d be hard-pressed to find a company that makes a better spoke product than these two.  All their spoke products, from straight gauge to their elliptically bladed and butted products, are all the best of the best.  Sapim Dlight spokes will perform at the same relative level as Sapim Race or DT Competition spokes but will shave off approximately 75 – 80g from the wheelset.

The Speed Tuned MTR23 Asym XC Race is a stellar wheelset option, in a field that’s composed of some of the best aluminum alloy MTB rims ever.  Given their level of performance, they are an unbeatable deal, (coupon codes here).  We’re not joking around here.  If you don’t have a lot of time to research all the rim options in the marketplace, if you don’t have a lot of money, and if you can find this product page, maybe that’s Magic.

Should you buy this wheelset?  Entirely your call.  Should you watch this short but sweet rock climbing video?  Absolutely.  One More Fun One.

Make That Two.

Wheelset Facts

  • Comes with tubeless tape & valves installed.
  • The Speed Tuned MTR23 Asym XC Race (sleeved joint), has a 23mm inner width, is 18mm tall, 26mm wide, and weighs about 370g (26″),  390g (27.5″) or 420g (29er)
  • Recommended for use with 26″, 27.5″, 29er x 1.75″ – 2.3″ tires
  • These wheels are built with internal stainless steel washers.
  • Wheelset weight will vary with end caps, freehub driver, and nipple selection.  Tape + Valves adds approximately 35g for the wheelset, on average.

Additional information

Weight 7 lbs
Dimensions 30 × 7 × 26 in

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