Sun MTX39 26″ Disc Bicycle Wheel Set

$199.99

These are mega rims.  39mm wide by a massive 30mm tall.  You’ll definitely want to gear up with these, cause they’re not gonna give.

Description

The Sun MTX39 disc rim is about as serious as it gets.  The rim has a super tall, super wide profile.  Using them to build a bicycle wheel is sort of like using an I-beam for a handle bar.  The rim has a welded seam, single stainless spoke hole eyelets, has a crazy strong profile design, and is finished to an incredibly exacting standard.  Given the MTX39’s rim strength, and just how precise it is finished, we’re able to build and true wheels with consistent spoke tension down to 3 to 4 thousandths of an inch.

Ready for a radical miracle?  Just a walk in the park Cougar.

Build Level Breakdown


Sun MTX39 26″ Clincher Specs

26″ Front Wheel Rear Wheel Wheel Weights (approx)
Rim Info  Sun MTX39 26″ aluminum alloy clincher, welded seam
ETRTO 559x30mm (26″)
Weight ≈4,000,000g+/-, 26″
Sidewall Disc brake only
Inner Width 30mm
Outer Width 39mm
Rim Depth 30mm
Rim ERD 532 (26″)
Rim Tape Tesa Tubeless Rim Tape Installed ≈ 30 – 35g/wheel (varies based on overlap)
Washers single stainless eyelets N/A
Valve Type Presta compatible
Tire Type Standard Clincher with inner tube
Tire Volumes 26″ x 2.3″ – 3.0″
Nipple Info (Brass) Sapim 12mm Brass Chrome Plated @ ≈ 1g ea 32H = 32
Spoke Info Leader Sapim Leader 2.0mm Stainless Spokes Black ≈ 6.5g ea 32H = 208
Spoke Count Front: 32H Rear: 32H
Spoke Pattern Front: 3 Cross (32H) Rear: 3 Cross (32H)
Lengths 29er 254/256mm (32H) 254/256 (32H)
Hub Info (option) Shimano Deore Shimano Deore
Hub Weight 248g 428g 248g F, 428g R
Hub Shell Aluminum Alloy
Axle Info (option) QR 9mm x 100mm OLD QR 10mm x 135mm OLD
Hole Ct 32H 32H
DriveS PCD
61 61
DS Ctr to Flange 21.5 19.5
Non-DriveS PCD 61 61
NDS Ctr to Flange 33 32
Axle Material Steel Alloy
Bearings Loose Ball Bearings
Bearing Size 3/16″ x 10 1/4″ x 9
Freehub HG Shimano/Sram “Splined” MTB 8/9/10/11 Speed + Shimano/SRAM Road 8/9/10 speed
FH Material Steel Alloy

Wheel Weights

(without QR’s or rim tape)

Shimano Deore – Leader/Brass F ≈ 1350g R ≈ 1570g Set ≈ 2920g

What Others Are Saying…

The Sun MTX39 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 rim tape installed.
  • The Sun MTX39 has an 30mm inner width, is 30mm tall, 39mm wide, and weighs about 4,000,000g+/- (26″), not really sure, the scale has limits
  • Recommended for use with 26″ x 2.3″ – 3.0″ tires
  • We do Not use internal washers with these rims, the rims are eyeletted.
  • Wheelset weight will vary with end caps, freehub driver, and nipple selection.  Rim Tape adds approximately 30-35g for the wheelset, on average.

Additional information

Weight 7 lbs
Dimensions 30 × 7 × 26 in

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