Hi,
@PigPen. I used a Babo Xcel Gel grip to build up the handle of a frame for a 6' 6" player. The handle didn't feel as squishy as I thought it would, particularly if you cover it with an overgrip. Here are my notes on building up an L5 grip to an L8. Hope this helps:
4⅝ [L5] handle w/ Babolat Xcel Gel grip & overgrip adds 1mm thickness [2.6mm – SkinFeel’s stock 1.6mm = 1mm] + 0.6mm = 1.6mm.
If 1mm = 0.04”, then 1.6mm = 0.064”
Starting Diameter = C ÷ π = 4.625” ÷ 3.14 = 1.47”
Diameter w/ Xcel grip & og = 1. 47” + 0.13” [0.064 x 2] = 1.60”
New circumference = 1.6 x 3.14 = 5.02” = grip size L8
KEY: 0.6mm thick OG + 0.4mm above stock Syntec Pro = 1mm: x 2 = diameter added
WEIGHT
Xcel Gel’s 2.6mm grip adds 3.3g [20g – 16.7g SkinFeel = 3.3g]