Axles Explained

I have found this helpful to shed light on axle compatibility…

All About Thru Axles

As a method of securing wheels to frames and forks, thru axles are superior in concept but muddled in execution by the inability of the bicycle industry to settle on a common standard. Thru axles can dramatically increase the stiffness of the interface between the hub and dropouts, while giving the hub a very specific mounting position to improve the interface between caliper and rotor on disc brake equipped bikes. However, between front and rear standards, axle thread pitch and diameter, and a dizzying array of dropout widths, there are dozens of standards to weed through. And, unfortunately, there aren’t many places to find good answers to compatibility questions; most frame manufacturers don’t even publish the standards that they use. In the event that you lose your stock axle or wish to upgrade, this lack of information can be frustrating to say the least. It is our hope with this article to shed a little light on the issue.

A Common Misconception:  DT Swiss manufactures thru axles for just about every variant, so don’t expect that just because your current thru axle has a DT logo it uses a DT standard. Chances are it’s some other variant developed or chosen by the frame manufacturer with a stock axle that was merely manufactured by DT Swiss.

The E-thru Conundrum:  “E-Thru” is a Shimano-developed standard, with several variants sharing the E-Thru name. Fits are based on dropout thickness and use of internal threading or an external, replaceable nut. For example, a standard E-Thru 142 axle also fits on many E-Thru Boost 148 frames, while the standard E-Thru axle may be too long for many E-thru 142 frames because they require a shorter version. If possible, we strongly recommend using actual length measurements taken from your existing E-Thru axle when ordering a replacement. Don’t assume that because your frame is Boost 148 and uses E-Thru that it requires the E-Thru Boost 148 axle, as often it may not.

Sizing:  There are 4 main attributes to consider when determining the proper thru axle standard for your bike:

Bolt Head Interface: Flat or conical
Total Length: The length of the axle, not including the head.
Thread Length: The length of the axle’s threaded portion.
Thread pitch: Thread standard used on the axle, expressed as distance between threads in millimeters.
Fits: An list of known compatible forks or frames, by no means comprehensive.
Important Note: There can exist small variations within each standard. In general, any model within the listed variant should work for you application with few exceptions.

THRU AXLE

Front Road 12mm.
Manufacturer Model Interface Length Pitch Thread Length Notes
Carbon-Ti X-lock QR12 Road Flat 119mm 12×1.5 12mm
Extralite BlackLock 12.5 Flat 120mm 12×1.5 13mm
Fits:
Enve Carbon disc fork
Front Road 15mm.
Manufacturer Model Interface Length Pitch Thread Length Notes
Carbon-Ti X-lock QR15 Road Flat 125mm 15×1.5 10mm
Fits:
Parlee Altum Disc
Parlee Chebacco
Front DT Swiss.
Manufacturer Model Interface Length Pitch Thread Length Notes
Extralite BlackLock 15.1 Torsion Flat 143mm 15×1.5 9mm  Torsion Box models only
Extralite BlackLock 15.2 DT Flat 143mm 15×1.5 16mm Other DT Models
Fits:
15.1 Fits only Torsion box models
15.2 Fits all other DT Forks
Front Fox 15mm.
Manufacturer Model Interface Length Pitch Thread Length Notes
Carbon-Ti X-Lock QR15 X-Fox Flat 145.5mm 14×1.5 11mm
Extralite Blacklock 15.3 Fox Flat 146mm 14×1.5 14mm
Far and Near Fox Flat 146mm 14×1.5 13mm
Kcnc Low Profile Fox Flat 146mm 14×1.5 16mm
Kcnc Indexing Flat 146mm 14×1.5 16mm
Kcnc Quick Release Flat 146mm 14×1.5 16mm
Fits: 
Fox Float 32 15QR (2014-2015)
Fox Float 34 15QR (2014-2015)
Fox Talas 32 15QR (2014-2015)
Fox Talas 34 15QR (2014-2015)
Front Fox Boost 15mm.
Manufacturer Model Interface Length Pitch Thread Length Notes
Carbon-Ti X-Lock QR15 X-Fox Boost Flat 156mm 14×1.5 14mm
Extralite Blacklock 15.3B Fox Boost Flat 156mm 14×1.5 14mm
Far and Near Fox Flat 155mm 14×1.5 13mm
Fits: 
Fox Float 32 Fit4 Boost (2016)
Front Magura.
Manufacturer Model Interface Length Pitch Thread Length Notes
Extralite BlackLock 15.5 Magura Flat 139mm 15×1 11mm
Fits:
Magura Forks
Front RockShox 15mm.
Manufacturer Model Interface Length Pitch Thread Length Notes
Carbon-Ti X-Lock QR15 X-RockShox Flat 147.5mm 15×1.5 10mm
Extralite Blacklock 15.4 RockShox Flat 147mm 15×1.5 12mm
Far and Near RockShox Flat 147mm 15×1.5 11mm
Kcnc Low Profile RockShox Flat 148mm 15×1.5 11mm
Kcnc Indexing Flat 148mm 15×1.5 11mm
Kcnc Quick Release Flat 148mm 15×1.5 11mm
Fits: 
RockShox RS-1 (2015)
RockShox Sid WC, XX, RCT3, RLT, RL (2012-2015)
RockShox Reba RLT, RL (2012-2015)
RockShox Pike DJ, RC, RCT3 (2014-2015)
RockShox Revelation WC, XX, RCT3, RLT, RL (2014-2015)
Santa Cruz Stigmata
Front RockShox Boost 15mm.
Manufacturer Model Interface Length Pitch Thread Length Notes
Carbon-Ti X-Lock QR15 X-RockShox Boost Flat 156mm 15×1.5 12mm
Extralite Blacklock 15.4B RockShox Boost Flat 156mm 15×1.5 12mm
Far and Near RockShox Boost Flat 155mm 15×1.5 11mm
Fits: 
RockShox Sid RL Boost (2016)
RockShox Reba RL Boost (2016)
RockShox Lyric RC Boost (2016)
RockShox Lyric RCT3 Boost (2016)Not compatible with RockShox RS-1 (check non boost vairant)
Rear Maxle 12mm.
Manufacturer Model Interface Length Pitch Thread Length Notes
Carbon-Ti X-Lock X-Maxle 12 X 142-148 Flat 174mm 12×1.75 20mm
Extralite Blacklock 12.3 Maxle Flat 176mm 12×1.75 19mm
Far and Near Maxle Flat 172mm 12×1.75 20mm
Kcnc Low Profile Maxle Flat 173mm 12×1.75 21mm
Kcnc Indexing Maxle Flat 173mm 12×1.75 21mm
Kcnc Quick Release Maxle Flat 173mm 12×1.75 21mm
Fits: 
BMC FourStroke FS02 (2014)
Ibis Mojo SL-R (2013)
Ibis Mojo HDR (2014)
Ibis Ripley (2013)
KTM Myroon Prestige, Prime, Master, Elite 27 and 29 (2015)
KTM Scarp Prestige, Prime Master, Elite 27 and 29 (2015)
Niner RIP9 (2013-2015)
Niner SIR9 (2015-2016)
Trek Procaliber 9.9 SL, 9.8 SL, 9.7 SL (2016)
Trek Superfly 9.9 SL (2013-2015)
Trek Superfly 9.8 (2013-2015)
Trek Superfly 9.7 (2015)
Wilier 101XN (2014)
Maxle 150 Boost/DH.
Manufacturer Model Interface Length Pitch Thread Length Notes
Carbon-Ti X-Lock X-Maxle 12 X 150 Flat 182mm 12×1.75 20mm
Extralite BlackLock 12.3B Boost Flat 182mm 12×1.75 20mm
Fits:
Niner RKT 9 RDO (Boost 148) (2016)
Many other Boost Maxle frames
Maxle ABP (Trek).
Manufacturer Model Interface Length Pitch Thread Length Notes
Carbon-Ti X-Lock X-Maxle ABP 12 X 142 Flat 192mm 12×1.75 20mm
Fits:
Trek Remedy 9.8 27,5 (2016)
Trek Remedy 9, 8 (2016)
Trek Superfly FS (2014-2015)
Trek Fuel EX (2014-2015)
Trek Slash (2014-2015)
Maxle ABP Boost (Trek).
Manufacturer Model Interface Length Pitch Thread Length Notes
Carbon-Ti X-Lock X-Maxle ABP Boost 12 X 148 Flat 198mm 12×1.75 20mm
Fits:
Trek Top Fuel 9.9 SL, 9.8 SL (2016)
Trek Top Fuel 9, 8 (2016)
Trek Remedy 29 Carbon (2016)
Trek Fuel EX 9.9, 9.8 29 (2016)
Trek Fuel EX 9, 8 29 (2016)
Rear “Scott” standard.
Manufacturer Model Interface Length Pitch Thread Length Notes
Carbon-Ti X-Lock X-Scott 12 X 142 Tapered 168mm 12×1 12mm
Extralite Blacklock 12.4 Scott Tapered 168mm 12×1 17mm
Far and Near Scott Tapered 168mm 12×1 17mm
Fits: Carbon-Ti and Far and Near. Note Extralite does not fit Santa Cruz models 
Lynskey Pro 29 (2015)
Santa Cruz 5010 (2014-2015)
Santa Cruz 5010 V2 (2016)
Santa Cruz Blur XC Carbon (2013)
Scott Spark 700 (2014-2015)
Scott Spark 900 (2014-2015)
Scott Scale 700 (2014-2015)
Scott Scale 900 (2014-2015)
Extralite version does not work on Santa Cruz frames
Rear Shimano E-thru 12mm.
Manufacturer Model Interface Length Pitch Thread Length Notes
Carbon-Ti X-lock E-thru Flat 171mm 12×1.5 17mm
Extralite Blacklock 12.1 E-thru Flat 172mm 12×1.5 18mm
Far and Near E-thru Flat 169mm 12×1.5 18mm
Kcnc Low Profile 171 E-Thru Flat 171mm 12×1.5 18mm
Kcnc Indexing E-thru Flat 171mm 12×1.5 18mm
Kcnc Quick Release E-thru Flat 171mm 12×1.5 18mm
Fits: 
BMC FourStroke FS01 (2013-2015)
BMC FourStroke FS02 (2013)
Focus Super Bud 29r (2014)
Giant Anthem Advanced 27.5 (2015)
Giant XtC Advanced SL 27.5 (2014-2015)
GT Zaskar 100 (2013)
Haibike Greed (2012)
Kona King Kahuna 29er (2003)
Lapierre Zesty (2014)
Lapierre Spicy (2014)
Titici Explosion (2013-2015)
Titici Flexy (2014-2015)
Rocky Mountain Element 950 RSL 29″ (2014)
Rocky Mountain Vertex Carbon 29″ (2012)
Yeti SB6 Carbon (2015-2016)
Yeti SB4.5C Boost 148 (2016)
Rear Shimano E-thru Short (161).
Manufacturer Model Interface Length Pitch Thread Length Notes
Kcnc Low Profile E-thru 161 Flat 161mm 12×1.5 18mm
Fits: 
None listed
Rear Shimano E-thru Long (Boost).
Manufacturer Model Interface Length Pitch Thread Length Notes
Extralite BlackLock 12.1B E-thru Boost Flat 178mm 12×1.5 18mm
Fits: 
None listed
Rear X-12 (AKA Specialized / Syntace).
Manufacturer Model Interface Length Pitch Thread Length Notes
Carbon-Ti X-Lock X-12 Tapered 159mm 12×1 16.5mm
Extralite Blacklock 12.2 Specailized X-12 Tapered 161mm 12×1 17.2mm
Kcnc Low Profile X-12 Tapered 163mm 12×1 18mm
Fits: 
Cannondale Scalpel 29er (2013-2015)
Canyon Lux CF (2014-2015)
Canyon Gran Canyon CF (2014-2015)
Specialized S-Works Epic (2011-2017)
Specialized S-Works Stumpjumper HT (2015)
Rear X-12 Boost (AKA Specialized Boost).
Manufacturer Model Interface Length Pitch Thread Length Notes
Carbon-Ti X-Lock X-12 Boost 148 Tapered 166mm 12×1 17.5mm
Extralite Blacklock 12.2B Specailized X-12 Boost Tapered 166mm 12×1 17.2mm
Fits: 
Specialized S-Works Epic HT (2017)
Specialized Epic HT (2017)

Brands

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24″ Wheels

Now stocking 24″ rims from Stan’s and Velocity for your kiddo’s rig.

Because how much fun would you have riding if your bike was half your body weight? This little ripper lightened the load with new tubeless wheels and a few other parts and shaved 5lbs off his bike weight.

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Stan’s MK3 Rims

Stan’s new MK3 rims in stock. Wheelset cost mostly depends on the hubs you want. Contact me for prices.

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Hope Hubs

The most requested hubs I didn’t carry were Hope. So now I do. Get your new hand built wheels built with Hope hubs here.Here’s a Stan’s Flow MK3 built with a Hope hub.

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National Forest Explorer Wheelset

The NFE (National Forest Explorer) is a stock frame from Elephant Bikes built here in Spokane, WA. This wheelset is offered with this bike in mind. Shutter Precision PD-8 Dynamo front and Shimano XT rear hubs. Both are QR to fit the NFE frame. WTB Laserdisc 27.5 rims-$390 WTB Frequency I23 27.5 rims-$450

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Shop Remodel 2

 I needed a new shop heater so I decided to fix things up a little and put some of my non-wheel-building skills to use. The new heater is a big dog electric one so it got its own circuit.  I’m not excited about electric heat but this summer I’m getting solar on the roof so it made sense.  I also wired both lights to the same switch. I finally put some trim around the window I put in during remodel 1.

 

I sheetrocked and insulated the ceiling. Then I rearranged the rim hooks to add some more storage space.

I was working on a classy remodel project once and the drywaller was adding texture. He was slopping gobs of mud on the drywall and just leaving it to dry rather than smoothing it out. I had always sanded, re-mud, wait for it to dry, sand again and just keep repeating till the walls were smooth. Ahhhh the dust! So I asked him about the texture he was applying. “It’s called an imperfect smooth wall. We do it in all the new homes. Isn’t it great?” I nodded agreeably but was thinking to myself what an easy out. I added some tire tracks for effect.

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Red Radness!

One of many Chris King colors.
They just happen to match great with Stan’s rims.

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Different Pilot, Same Curb

This weekend’s casualties from racing cross. If we race there next year I’m going to sponsor that curb. Two rim transfers coming right up. Yes, I have them in stock. Yes, I can get them done so you race on them next week.

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Now Selling Schmitt Dynamos!

I have built wheels with Schmitt hubs in the past and they are the sliced bread of dynamos. Now I have a U.S. distributor stocking them. Prices are $310 for the disc models and $253 for rim brake.

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Great deals on Stan’s Rims!

Crest, Arch EX and Flow EX rims. 29er only ~reg $90. Now $60 each.

Stan's Crest Arch Flow Alpha 340 road rims reg $120. Now $85 each. Iron Cross rims reg $88. Now $70 each.Stan's Iron Cross Alpha

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