Robert Axle Project Lightning Bolt-on thru-axles provide a lightweight, low-profile alternative to stock axles, offering a clean appearance without sacrificing strength or durability. These axles are carefully machined to the highest industry standards to ensure an optimal fit.
Designed, built, and quality-tested in the USA, these components are proven for performance around the world. They are suitable for a wide range of cycling disciplines, including road, cross, gravel, fat, e-bikes, and mountain bikes.
Usage and Compatibility
Please note that these axles are not compatible with trailers or trainers. When multiple axle lengths are listed, the product includes a spacer, with the two lengths representing the fit with and without the spacer. It is recommended to use the Robert Axle finder to ensure the correct axle is selected for your specific bicycle.
Technical Details
- Design: Low profile and lightweight construction.
- Manufacturing: Machined to the highest standards in the industry.
- Origin: Designed, built, and quality tested in the USA.
- Compatibility: Suitable for road, cross, gravel, fat, e-bikes, and mountain bikes.
- Restrictions: Not designed for use with trailers or trainers.
If you are unsure which axle you need click here to use the axle finder (opens in new window)The code provided by the axle finder will differ from the code on the Balfe's website, use the table below to find the Balfe's equivalent code:
| Robert Axle Project | Balfe's Site Code |
| LIG506.N | HURBFL506N |
| LIG509.F | HURBFL509F |
| LIG510.F | HURBFL510F |
| LIG526.N | HURBFL516N |
| LIG519.C | HURBFL519C |
| LIG505 | HURBFL505 |
| LIG506 | HURBFL506 |
| LIG510 | HURBFL510 |
| LIG511 | HURBFL511 |
| LIG512 | HURBFL512 |
| LIG519 | HURBFL519 |
| LIG523 | HURBFL523 |
| LIG528 | HURBFL528 |
| LIG529 | HURBFL529 |
| LIG502 | HURBFL502 |
| LIG504 | HURBFL504 |
| LIG508 | HURBFL508 |
| LIG509 | HURBFL509 |
| LIG514 | HURBFL514 |
| LIG516 | HURBFL516 |
| LIG517 | HURBFL517 |
| LIG501 | HURBFL501 |
| LIG503 | HURBFL503 |
| LIG507 | HURBFL507 |
| LIG513 | HURBFL513 |
| LIG515 | HURBFL515 |
| LIG521 | HURBFL521 |
| LIG522 | HURBFL522 |
| LIG527 | HURBFL527 |
| LIG603.N | HURBRL603N |
| LIG604.F | HURBRL604F |
| LIG613.N | HURBRL613N |
| LIG614.F | HURBRL614F |
| LIG601 | HURBRL601 |
| LIG603 | HURBRL603 |
| LIG604 | HURBRL604 |
| LIG606 | HURBRL606 |
| LIG607 | HURBRL607 |
| LIG608 | HURBRL608 |
| LIG609 | HURBRL609 |
| LIG610 | HURBRL610 |
| LIG611 | HURBRL611 |
| LIG613 | HURBRL613 |
| LIG614 | HURBRL614 |
| LIG615 | HURBRL615 |
| LIG617 | HURBRL617 |
| LIG621 | HURBRL621 |
| LIG623 | HURBRL623 |
| LIG626 | HURBRL626 |
| LIG627 | HURBRL627 |
| LIG628 | HURBRL628 |
| LIG629 | HURBRL629 |
| LIG634 | HURBRL634 |
| LIG635 | HURBRL635 |
| LIG637 | HURBRL637 |
| LIG634 | HURBRL639 |
| DDA201 | TBRBD201 |
| DDA202 | TBRBD202 |
| TRA201 | TBRBT201 |
| TRA202 | TBRBT202 |
| TRA204 | TBRBT204 |
| TRA210 | TBRBT210 |
| TRA211 | TBRBT211 |
| TRA212 | TBRBT212 |
| TRA213 | TBRBT213 |
| TRA214 | TBRBT214 |
| TRA217 | TBRBT217 |
| TRA221 | TBRBT221 |
| TRA222 | TBRBT222 |
| TRA223 | TBRBT223 |
| TRA225 | TBRBT225 |
| TRA226 | TBRBT226 |
| BOB110 | TRRBB110 |
| BOB111 | TRRBB111 |
| BOB112 | TRRBB112 |
| BOB113 | TRRBB113 |
| BOB114 | TRRBB114 |
| BOB117 | TRRBB117 |
| BOB121 | TRRBB121 |
| BOB122 | TRRBB122 |
| BOB126 | TRRBB126 |
| BOB106 | TRRBB106 |
| BOB107 | TRRBB107 |
| BOB108 | TRRBB108 |
| BOB109 | TRRBB109 |
| BOB115 | TRRBB115 |
| FOL110 | TRRBF110 |
| FOL111 | TRRBF111 |
| FOL112 | TRRBF112 |
| FOL113 | TRRBF113 |
| FOL114 | TRRBF114 |
| FOL117 | TRRBF117 |
| FOL121 | TRRBF121 |
| FOL122 | TRRBF122 |
| FOL126 | TRRBF126 |
| KID206 | TRRBK206 |
| KID207 | TRRBK207 |
| KID208 | TRRBK208 |
| KID209 | TRRBK209 |
| KID215 | TRRBK215 |
| KID210 | TRRBK210 |
| KID211 | TRRBK211 |
| KID212 | TRRBK212 |
| KID213 | TRRBK213 |
| KID214 | TRRBK214 |
| KID217 | TRRBK217 |
| KID221 | TRRBK221 |
| KID222 | TRRBK222 |
| KID223 | TRRBK223 |
| KID225 | TRRBK225 |
| KID226 | TRRBK226 |
| UDH001 | FMRBUH001 |
| LIG504.F | HURBFL504F |
| LIG518 | HURBFL518 |
| PLU100 | HURBPL100 |
| LIG623.C | HURBRL623C |
| LIG624 | HURBRL624 |
| TRA213.N | TBRBT213N |
| TRA214.F | TBRBT214F |
| TRA218 | TBRBT218 |
| TRA223.C | TBRBT223C |
| TRA224 | TBRBT224 |
| ADA001 | TRRBA001 |
| ADA005 | TRRBA005 |
| ADA006 | TRRBA006 |
| ADA007 | TRRBA007 |
| ADA008 | TRRBA008 |
| ADA009 | TRRBA009 |
| ADA010 | TRRBA010 |
| ADA125 | TRRBA125 |
| ADA126 | TRRBA126 |
| ADA127 | TRRBA127 |
| BIN001 | TRRBB001 |
| BIN002 | TRRBB002 |
| BOB113.N | TRRBB113N |
| BOB114.F | TRRBB114F |
| FOL114.f | TRRBF114F |
| KID204.Y | TRRBK204Y |
| KID213.N | TRRBK213N |
| KID214.F | TRRBK214F |
| KID218 | TRRBK218 |
| KID219 | TRRBK219 |
| KID220 | TRRBK220 |
| KID223.C | TRRBK223C |
| KID224 | TRRBK224 |
| KID633.O | TRRBK633O |