PB JigV2.3 Full Kit
JigV2.3 takes the lessons learned from my first jig of 2015 and adds better usability with full length and angle scales. Setup from BikeCAD to jig is a breeze. Built on tried and true 8020-40 series extrusions, V2.3 is designed for modularity and expandability. Whether you’re starting out or have been around the block, this jig will grow with you as a frame builder just as the original did with me ten years ago!
Specs:
Head Tube
- Angle - 50 to 90 degrees
- Max Distance Between Cones - 250mm
- BB to Head Tube Bottom Vertical Range - 550mm
Seat Tube
- Angle - 64 to 90 degrees. The top clamp stops at 64 but the engraved scale goes to 60. This is because 60 degree angle is possible but the top clamp cannot be used. Instead a common parallel clamp can be used to secure the extrusion at this uncommon angle.
- BB and ST Cone Range - 600mm
Axle
- Height (BB drop/rise) - positive 170 to negative 160
- Axle distance to Head Tube Bottom range - 1080mm to 270mm
Centerline Offset from Spine (effective work space) 155mm
Out of the box Compatibility
- Head Tube - IS42, IS52, 44mm, (min dia 28, max dia 55)
- Bottom Bracket - T47, BSA, MID, max BB length 168mm
- Dummy Axle Interface (dummy axle not included) - .500”OD X 2.50” width to fit modern jigs.
What you get in this kit:
- 8020 Head Tube Extrusion machined and ready to install
- 8020 Neck Extrusion, machined and ready to install
- Aluminum machined parts depicted in gallery photos
- All fastening hardware
- PETG 3D Printed Parts depicted in photos
- Quick BB Centering Offset clamps for 100mm, 92mm, 87mm, 83mm, 73mm, 68mm.
- Aluminum HT Cones
- Aluminum Bottom Bracket Collars for T47, BSA, MID
- Stainless Steel Bottom Bracket Carrier Bolt pre-installed on Aluminum BB Datum Block
- Full JigV2.3 Plans and Support Files including STEP model files that can be used to CNC your own replacements or send out to a CNC shop. Plans also include STL files to print your own PETG parts replacements.
What is NOT included in the kit:
- 8020 Spine Extrusion (Source this yourself to save money)
- 8020 Seat Tube and Axle Extrusion (Source this yourself to save money)
- Jig Stand/Mounting Bracket
- Dummy Axle
Other Features:
- PETG Handles slide off (leaving the metal securing nut in place) In case of close proximity to heat.
- PETG BB quick centering spacer pops off leaving the stainless split collar in place in case of close proximity to heat.
Where to source 8020 Extrusions [Only use 8020 Brand Extrusions!]:
Spine - 8020, 40-4012, 40 Series 40mm x 120mm 40x120, 1220mm length.
- Amazon - https://www.amazon.com/dp/B001F0G74M/?coliid=IDGMFZJTCU3FH&colid=1GRHVJV2Q9JBL&ref_=list_c_wl_lv_ov_lig_dp_it&th=1
- 8020 - https://8020.net/
Axle and BB (one length to cut two sections) - 8020, 40-4040, 40 Series 40mm x 40mm, 1120mm length.
- Amazon - https://www.amazon.com/dp/B001F0I3TO/?coliid=I5V3G7C8YNFJQ&colid=1GRHVJV2Q9JBL&ref_=list_c_wl_lv_ov_lig_dp_it&th=1
- 8020 - https://8020.net/
Compatible Dummy Axles
- https://www.bikefabsupply.com/