Total assembled weight
Of all the variables covered in this chapter, weight is the easiest to measure and the one fewest players build into the decision. The player who spends hours comparing speeds, hardnesses and spin ratings rarely puts the bat on a scale before going out to play. And yet assembled weight conditions everything else: manoeuvrability, fatigue, power and even the subjective perception of control.
Section 2.7 defined weight, balance and swingweight as distinct variables. Section 7.3 set out how much the rubbers contribute. What is treated here is the consequence of combining them: what range of weight results from each type of assembly, and what it implies for the player choosing equipment.
An assembled adult shakehand bat runs, as a general rule, between 170 and 200 grams. Whole worlds fit inside that margin. At the light end, a five-ply blade with two soft tensor rubbers 1.9 mm thick can come in at 165-170 g: an agile bat, easy to accelerate, that the arm holds up through three hours of training without complaint. At the heavy end, a seven-ply composite blade mounted with two Chinese rubbers on dense sponge at maximum thickness can exceed 200 g. Thirty grams of difference do not seem like much in a motionless hand, but the arm moves them thousands of times per session, and by the second hour the difference is felt in the shoulder, in the wrist and in the speed of the transitions.
What many players fail to work out is that the weight decision is taken by accumulation, not by direct choice. Nobody asks for a 195-gram bat: they ask for a blade they like and rubbers that convince them, and the weight comes out of the sum. If that sum is ignored, the result can contradict the player's own intentions. A player after speed mounts a fast composite blade with hard tensor rubbers at maximum thickness. Speed arrives, but so does a 195 g bat whose swingweight penalises acceleration in the short game. The speed gained on the spec sheet is lost in the hand.
Balance — where the mass is concentrated — aggravates or eases the problem. Two heavy rubbers move the centre of gravity towards the head and raise the swingweight. Two light ones bring it closer to the handle. And when the rubbers differ on each side — the modern norm described in 11.4 — the balance shifts laterally towards the heavier side. The effect is smaller than it appears on forehand strokes, where the arm has leverage to spare, but it shows in quick backhand movements and in transitions. A player who mounts a dense tensor on the forehand and long pimples without sponge on the backhand can end up with an asymmetry of fifteen or twenty grams between faces, enough to alter the sense of balance when the wrist turns.
The practical consequence is that weight deserves to be a design criterion, not a by-product. Before settling on a combination it is worth estimating — better still, measuring — the resulting weight and judging whether the arm can sustain it through a full match at the usual intensity. If the bat turns out heavy, there are three levers: reduce the sponge thickness, choose rubbers on less dense sponge, or move to a lighter blade. If it turns out too light for the player's taste — no punch, the ball not reaching the end of the table — the levers are the reverse. Adaptations for age and physical condition are developed in 15.1 and 17.5, but the logic is the same for everyone: weight is part of the balance described in 11.2, and managing it with the same attention given to speed or spin avoids the commonest error in combining equipment, which is to assemble a bat that is technically correct but physically unliveable.