@Gsbad68, I've compared the parts lists of the
Tekno EB48 2.0 and the
Tekno EB48 2.1 and found the following parts to be only found in the
EB48 2.1.
I could have missed a part or two, but this should give you a good idea of what is different between the two models and what is needed to convert an
EB48 2.0 into an EB48 2.1
TKR9054A - Rear Hubs and Bearing Spacers (adj. roll center, L/R, EB/NB48 2.1)
TKR9056 - Rear Outer Hinge Pin Bushings (EB/NB48 2.1, 4pcs)
TKR9057 - Spindle Pin/Sleeve Set (short/long, EB/NB48 2.1)
TKR9134 - Hinge Pins (outer, rear, 58mm)
TKR9141 - Adjustable Ackerman Spindles (EB/NB 2.1, requires TKR9047, TKR9142)
TKR9142B - Spindle Carriers (L/R, aluminum, 18 degree, EB/NB48 2.1)
TKR9161B - Hinge Pin Brace (CNC, 7075, -1mm LRC, EB/NB48 2.1, A Block)
TKR9162B - Hinge Pin Brace (CNC, 7075, -1mm LRC, EB/NB48 2.1, B Block)
TKR9163B - Hinge Pin Brace Hinge Pin Brace (CNC, 7075, -1mm LRC, EB/NB48 2.1, C Block)
TKR9164B - Hinge Pin Brace (CNC, 7075, -1mm LRC, EB/NB48 2.1, D Block)
TKR9181T - Tall Wing Mount and Body Mounts (2.0)
TKR9247 - Decal sheet EB 2.1
TKR9268B - Shock Tower (front, revised links, 7075 CNC, GM ano, EB/NB48 2.0)
TKR9269B - Shock Tower (rear, adj. wing/shock, 7075 CNC, GM ano, EB/NB48 2.0)
TKR9284 - Suspension Arms (rear, EB/NB48 2.1)
TKR9412 - Gearbox (front, ET/NT 2.0)
TKR9416 - Gearbox (rear, ET/NT 2.0)
TKR9553M - Metal Servo Horn (25T spline)
TKR9674 - Wheel Hubs (+1mm offset, 17mm, gun metal ano, w/pins, 2pcs)
TKRBB050825RS – Ball Bearing (5x8x2.5mm, rubber shielded, 4pcs)
TKR12215 - Ball Bearing (12x21x5, shielded, 4pcs)
TKR6032B - Shock Spring Set (rear, 1.5 x 10.0T, 83mm, yellow)
TKR6038 - (front, 1.5 x 7.5T, 70mm, orange)
TKR6060 - Shock Body (x-long, aluminum, hard ano, 2pcs)
TKR6061 - Shock Shafts (x-long, rear, steel, 2pcs)
TKR6181 - Shock Piston (CNC, flat/taper, split config, 1.3/1.6, 2pcs)
TKR6182 - Shock Piston (CNC, flat/taper, split config, 1.2/1.6, 2pcs)
TKR5144B – Differential O-Rings (6pcs)
TKR9112 - Differential Outdrives (center, NB/NT48 2.0, 2pcs)
TKR9115B - Differential Case (F/R/C, all 2.x)
TKR9150B - Differential Gear Set (internal gears only, all 2.x, 20/10T)