Quick Delivery Robert Axle Project Trainer Thru-Axle

No ordinary thru-axle: the Trainer Axle from the Robert Axle Project

The Robert Axle for rollers replaces your original thru-axle, which means you can mount your bike with 12 mm over locknut dimension on an at-home trainer. This thru-axle was manufactured so precisely that it will fit as well or better than the original. It is compatible with classic roller trainers (not direct drive trainers) from popular brands such as Tacx or Wahoo. And the best thing: when you finish your session, just take your bike from the trainer, detach the right end of the axle and head on outside, as the Trainer Axle is also suitable for normal outdoor use. You can look forward to being in tip-top shape for the next season.

The Robert Axle Project is run by the ultimate thru-axle experts. With their help you will find the right thru axle – for your trailer, your roller trainer or as a light tuning part for your MTB or road bike.

To find out which thru axle you need, you must first find out the dimensions of your current thru axle. Often the length and the thread pitch are noted on the axle itself. If not, print this template from the Robert Axle Project (in original size, do not scale) to determine the relevant data. You can also use the configuration from the Robert Axle Project, which will help you find the correct axle using parameters such as bike brand and over locknut dimension.

Specifications:

Over Locknut Dimension:

rear: 142 mm, 148 mm

Axle Diameter:

12 mm

Technical Information:

Use:

rear: 12 x 142 mm, 12 x 148 mm

Type:

thru-axle

Axle Material:

aluminium (7075)

Features:

• shank and axle ends CNC precision machined
• hard anodised for robust durability
• no special tools required, installation and wheel removal with 5 mm hexagon socket
• classic resistance roller trainers from 1up, Blackburn, Cyclops, Kinetic, Tacx, Wahoo and many other manufacturers (not for direct drive)
• also suitable for outdoor use
• ends of the Trainer Axle protrude 15 mm on both sides
• designed, built and quality-tested in the USA (Bend, Oregon), used worldwide

Models:

Type 1:

Thread Pitch:

1.0 mm

Axle Length:

172 mm; 160 mm, 162 mm, 167 mm with spacers

Use:

trainers

Manufacturer Number:

TRA213

Type 2:

Thread Pitch:

1.5 mm

Axle Length:

172 mm

Use:

trainers

Manufacturer Number:

TRA204

Type 3:

Thread Pitch:

1.5 mm

Axle Length:

178 mm

Use:

trainers

Manufacturer Number:

TRA214

Type 4:

Use:

trainers

Compatibility:

FOCUS R.A.T. Systems with 12 x 142 or 12 x 148 mm Boost over locknut dimension

Note:

Comes with nut, which replaces the original R.A.T. nut

Manufacturer Number:

TRA214.F

Type 5:

Thread Pitch:

1.75 mm

Axle Length:

174 mm

Use:

trainers

Manufacturer Number:

TRA201

Type 6:

Thread Pitch:

1.75 mm

Axle Length:

180 mm

Use:

trainers

Manufacturer Number:

TRA211

Type 7:

Thread Pitch:

1.75 mm

Axle Length:

192 mm

Use:

trainers

Manufacturer Number:

TRA202

Type 8:

Thread Pitch:

1.75 mm

Axle Length:

198 mm

Use:

trainers

Manufacturer Number:

TRA210

Type 9:

Thread Pitch:

1.0 mm

Axle Length:

167 mm; 152 mm, 154 mm, 160 mm with spacers

Use:

trainers

Manufacturer Number:

TRA217

Type 10:

Thread Pitch:

1.5 mm

Axle Length:

165 mm, 159 mm with spacer

Use:

trainers

Manufacturer Number:

TRA212

Type 11: sold out, use type 4 instead

Use:

trainers

Compatibility:

FOCUS R.A.T. Systems with 12 x 142 mm over locknut dimension

Note:

Comes with nut, which replaces the original R.A.T. nut

Manufacturer Number:

TRA204.F

Type 12:

Thread Pitch:

1.75 mm

Axle Length:

167 mm

Use:

trainers

Manufacturer Number:

TRA221

Contents:

• 1 x Robert Axle Project roll trainer thru-axle
• 2 x flat spacer (Type 1 & Type 9 only)
• 1 x X-12 tapered spacer (Type 1 & Type 9 only)
• 1 x flat 6 mm spacer (Type 4 & Type 10 only)
• 1 x nut (Type 4 & Type 11 only)