SPEEDTHANE“ Shock Bumper”

Benefits

click image to enlarge

For Very Selective Fine Tuning Components.

Selectively turn on additional spring rates.

Add to LR to Tighten Off the turn.

Add to LF to Loosen in the Center but not Off.

Add to RF to just Tighten in Center.

Add to RR to Loosen just in Center of Turn.

Stop chassis from Bottoming Out on Bumps

Protect Shock from Bottoming out Piston.

The Key to using the Speedthane Bumpers is accurately measuring shock travel.
This is the only way to make sure bumper contact is where/when you need it.

Table A		Table B		Table C		Table D
SJB-145		SJB-23		SJB-31-GC		SJB-28-GC
DEFLECTION	LOAD	DEFLECTION	LOAD	DEFLECTION	LOAD	DEFLECTION	LOAD
INCHES	POUNDS	INCHES	POUNDS	INCHES	POUNDS	INCHES	POUNDS
0.000	0.000	0.000	0.000	0.000	0.000	0.000	2.712
0.018	7.589	0.018	5.497	0.018	4.999	0.000	2.551
0.036	13.081	0.036	8.708	0.036	7.949	0.018	6.343
0.054	18.118	0.055	11.602	0.054	11.136	0.036	10.701
0.072	23.111	0.073	14.451	0.072	14.254	0.054	15.220
0.091	27.713	0.091	16.867	0.090	16.905	0.072	19.687
0.109	32.074	0.109	19.205	0.108	19.047	0.090	24.158
0.127	36.170	0.127	21.276	0.126	20.807	0.108	28.477
0.145	39.885	0.146	23.142	0.144	22.199	0.125	32.652
0.163	43.743	0.164	24.898	0.162	23.260	0.143	36.662
0.181	47.140	0.182	26.481	0.180	24.301	0.161	40.618
0.200	50.310	0.200	27.971	0.198	25.384	0.179	44.790
0.218	53.398	0.218	29.321	0.216	26.200	0.197	49.495
0.236	56.215	0.237	30.646	0.234	27.138	0.215	54.008
0.254	58.792	0.255	31.856	0.252	27.970	0.233	58.252
0.272	61.202	0.273	33.070	0.270	29.171	0.251	62.208
0.290	63.466	0.291	34.217	0.288	30.604	0.269	65.891
0.309	65.580	0.309	35.332	0.306	32.586	0.287	69.310
0.327	67.552	0.328	36.328	0.323	34.815	0.305	72.506
0.345	69.494	0.346	37.403	0.341	37.456	0.323	75.060
0.363	71.429	0.364	38.387	0.359	40.133	0.341	76.941
0.381	73.318	0.382	39.335	0.377	43.018	0.359	77.673
0.399	75.261	0.400	40.269	0.395	46.014	0.377	76.915
0.418	77.246	0.419	41.295	0.413	49.010	0.395	76.571
0.436	79.081	0.437	42.374	0.431	51.974	0.412	75.732
0.454	81.151	0.455	43.540	0.449	54.868	0.430	75.557
0.472	83.046	0.473	44.683	0.467	57.852	0.448	76.111
0.490	85.114	0.491	45.861	0.485	61.017	0.466	76.507
0.508	87.144	0.510	47.093	0.503	64.062	0.484	76.600
0.527	89.109	0.528	48.247	0.521	67.335	0.502	77.241
0.545	91.116	0.546	49.544	0.539	70.748	0.520	76.720
0.563	93.169	0.564	50.846	0.557	74.170	0.538	77.964
0.581	95.207	0.582	52.112	0.575	77.510	0.556	78.654
0.599	97.253	0.600	53.349	0.593	80.744	0.574	81.102
0.617	99.449	0.619	54.714	0.611	83.873	0.592	84.032
0.636	101.587	0.637	56.084	0.629	86.872	0.610	87.404
0.654	103.865	0.655	57.493	0.647	89.742	0.628	90.879
0.672	106.046	0.673	59.060	0.665	92.769	0.646	94.539
0.690	108.424	0.691	60.620	0.683	95.549	0.664	98.407
0.708	110.785	0.710	62.254	0.701	98.324	0.681	102.339
0.726	113.195	0.728	64.047	0.719	101.020	0.699	106.305
0.745	115.739	0.746	65.830	0.737	103.912	0.717	110.422
0.763	118.307	0.764	67.681	0.755	106.915	0.735	114.496
0.781	120.908	0.782	69.813	0.773	110.114	0.753	118.800
0.799	123.727	0.801	71.848	0.791	113.444	0.771	122.908
0.817	126.538	0.819	74.023	0.809	116.853	0.789	127.144
0.835	129.567	0.837	76.267	0.827	120.424	0.807	131.496
0.854	132.586	0.855	78.619	0.845	123.917	0.825	135.921
0.872	135.794	0.873	80.873	0.863	127.725	0.843	140.316
0.890	139.352	0.892	83.464	0.881	131.752	0.861	144.812
0.908	143.083	0.910	85.976	0.899	136.087	0.879	149.535
0.926	147.034	0.928	88.678	0.917	140.632	0.897	154.164
0.944	151.349	0.946	91.503	0.935	145.341	0.915	159.106
0.963	156.011	0.964	94.457	0.953	150.138	0.933	164.236
0.981	161.064	0.983	97.412	0.971	155.377	0.951	169.567
0.999	166.773	1.001	100.666	0.989	160.856	0.968	175.177
1.017	172.939	1.019	103.939	1.007	166.613	0.986	181.003
1.035	179.913	1.037	107.368	1.025	172.773	1.004	187.197
1.053	187.560	1.055	111.089	1.043	179.675	1.022	193.714
1.072	196.234	1.074	114.838	1.061	187.092	1.040	200.709
1.090	205.915	1.092	118.979	1.079	195.193	1.058	208.176
1.108	216.946	1.110	123.228	1.097	203.691	1.076	216.291
1.126	229.398	1.128	127.685	1.115	212.787	1.094	225.185
1.144	243.830	1.146	132.492	1.133	222.296	1.112	234.518
1.162	260.394	1.165	137.519	1.151	232.760	1.130	244.849
1.181	279.287	1.183	142.850	1.168	243.830	1.148	255.934
1.199	300.710	1.201	148.580	1.186	255.905	1.166	268.112
1.217	325.395	1.219	154.649	1.204	269.161	1.184	281.586
1.235	353.480	1.237	161.182	1.222	283.375	1.202	297.048
1.251	381.632	1.256	168.234	1.240	299.104	1.220	314.740
1.265	409.757	1.274	175.700	1.258	316.171	1.238	335.152
1.278	437.886	1.292	183.813	1.276	335.058	1.255	358.861
1.289	466.045	1.310	192.680	1.294	356.563	1.273	386.855
1.300	494.190	1.328	202.170	1.312	380.871	1.289	415.011
1.310	522.310	1.347	212.587	1.330	408.597	1.303	443.164
1.319	550.530	1.365	223.744	1.346	436.703	1.315	471.311
1.328	578.662	1.383	236.103	1.360	464.847	1.326	499.471
1.335	606.874	1.401	249.565	1.373	492.967	1.336	527.624
1.343	635.011	1.419	264.355	1.384	521.073	1.345	555.743
1.349	663.262	1.438	280.898	1.395	549.237	1.353	583.958
1.356	691.446	1.456	299.487	1.404	577.403	1.361	612.143
1.362	719.616	1.474	320.171	1.412	605.601	1.368	640.343
1.367	747.884	1.492	343.173	1.420	633.808	1.374	668.463
1.372	776.067	1.510	368.681	1.427	661.947	1.381	696.725
1.378	804.309	1.529	396.637	1.434	690.100	1.386	724.976
1.383	832.575	1.545	424.798	1.440	718.334	1.392	753.162
1.388	860.846	1.560	452.933	1.446	746.507	1.397	781.320
1.394	888.970	1.574	481.088	1.451	774.655	1.402	809.549
1.396	899.314	1.586	509.202	1.457	802.953	1.407	837.734
		1.598	537.360	1.462	831.070	1.412	866.027
		1.608	565.523	1.466	859.227	1.417	894.145
		1.618	593.650	1.471	887.453	1.417	899.441
		1.627	621.755	1.473	899.367
		1.635	649.916
		1.643	678.116
		1.650	706.243
		1.657	734.457
		1.663	762.605
		1.669	790.862
		1.674	819.032
		1.680	847.281
		1.685	875.384
		1.690	899.348